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101133021431 = 1347511637437
BaseRepresentation
bin101111000101111111…
…1110111000011110111
3100200001010121210110102
41132023333313003313
53124110023141211
6114243155344315
710210112332661
oct1361377670367
9320033553412
10101133021431
1139987a54952
12177252b209b
1396c9482720
144c75717531
15296d944a3b
hex178bff70f7

101133021431 has 8 divisors (see below), whose sum is σ = 108935475264. Its totient is φ = 93333852000.

The previous prime is 101133021377. The next prime is 101133021439. The reversal of 101133021431 is 134120331101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101133021431 is a prime.

It is a super-2 number, since 2×1011330214312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101133021439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756956 + ... + 880481.

It is an arithmetic number, because the mean of its divisors is an integer number (13616934408).

Almost surely, 2101133021431 is an apocalyptic number.

101133021431 is a deficient number, since it is larger than the sum of its proper divisors (7802453833).

101133021431 is a wasteful number, since it uses less digits than its factorization.

101133021431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642201.

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

Adding to 101133021431 its reverse (134120331101), we get a palindrome (235253352532).

The spelling of 101133021431 in words is "one hundred one billion, one hundred thirty-three million, twenty-one thousand, four hundred thirty-one".

Divisors: 1 13 4751 61763 1637437 21286681 7779463187 101133021431