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101213100342431 = 7116757913387799
BaseRepresentation
bin10111000000110110000010…
…111001000111110010011111
3111021100212200222121222122222
4113000312002321013302133
5101231233412141424211
6555132353441055555
730214255660002410
oct2700660271076237
9437325628558588
10101213100342431
112a282264583450
12b42793a6275bb
13446247b835c5c
141adca51145807
15ba7bb962d1db
hex5c0d82e47c9f

101213100342431 has 32 divisors (see below), whose sum is σ = 128093314252800. Its totient is φ = 77676787663200.

The previous prime is 101213100342371. The next prime is 101213100342463. The reversal of 101213100342431 is 134243001312101.

It is a de Polignac number, because none of the positive numbers 2k-101213100342431 is a prime.

It is a super-2 number, since 2×1012131003424312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101213100342431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213106342431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28181870 + ... + 31569668.

It is an arithmetic number, because the mean of its divisors is an integer number (4002916070400).

Almost surely, 2101213100342431 is an apocalyptic number.

101213100342431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101213100342431 is a deficient number, since it is larger than the sum of its proper divisors (26880213910369).

101213100342431 is a wasteful number, since it uses less digits than its factorization.

101213100342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393675.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 101213100342431 its reverse (134243001312101), we get a palindrome (235456101654532).

The spelling of 101213100342431 in words is "one hundred one trillion, two hundred thirteen billion, one hundred million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 7 11 67 77 469 737 5159 5791 40537 63701 387997 445907 2715979 3387799 4267967 23714593 29875769 37265789 226982533 260860523 1588877731 2496807863 17477655041 19618744009 137331208063 215806184099 1314455848603 1510643288693 9201190940221 14459014334633 101213100342431