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101131223200031 = 155671649647161
BaseRepresentation
bin10110111111101001110010…
…101000100111000100011111
3111021002001100211100012101102
4112333221302220213010133
5101223413221114400111
6555031013105503315
730205326662531423
oct2677516250470437
9437061324305342
10101131223200031
112a250569013512
12b413aaa041b3b
1344578308415bb
141ad8ac4d72b83
15ba59c646913b
hex5bfa72a2711f

101131223200031 has 4 divisors (see below), whose sum is σ = 101131873002864. Its totient is φ = 101130573397200.

The previous prime is 101131223200019. The next prime is 101131223200079. The reversal of 101131223200031 is 130002322131101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101131223200031 - 210 = 101131223199007 is a prime.

It is a super-2 number, since 2×1011312232000312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101131223199976 and 101131223200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131223200831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324667910 + ... + 324979251.

It is an arithmetic number, because the mean of its divisors is an integer number (25282968250716).

Almost surely, 2101131223200031 is an apocalyptic number.

101131223200031 is a deficient number, since it is larger than the sum of its proper divisors (649802833).

101131223200031 is an equidigital number, since it uses as much as digits as its factorization.

101131223200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649802832.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101131223200031 its reverse (130002322131101), we get a palindrome (231133545331132).

The spelling of 101131223200031 in words is "one hundred one trillion, one hundred thirty-one billion, two hundred twenty-three million, two hundred thousand, thirty-one".

Divisors: 1 155671 649647161 101131223200031