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31013033131102 = 2114134382520101
BaseRepresentation
bin1110000110100110010001…
…10100101011110001011110
311001210211001121020211202111
413003103020310223301132
513031104142440143402
6145543105110544234
76350421605052061
oct703231064536136
9131724047224674
1031013033131102
11997760a770280
12358a64a06807a
13143c693909989
147930787048d8
1538bac08389d7
hex1c34c8d2bc5e

31013033131102 has 16 divisors (see below), whose sum is σ = 51986370394224. Its totient is φ = 13753008040000.

The previous prime is 31013033131081. The next prime is 31013033131117. The reversal of 31013033131102 is 20113133031013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17191259149 + ... + 17191260952.

It is an arithmetic number, because the mean of its divisors is an integer number (3249148149639).

Almost surely, 231013033131102 is an apocalyptic number.

31013033131102 is a deficient number, since it is larger than the sum of its proper divisors (20973337263122).

31013033131102 is a wasteful number, since it uses less digits than its factorization.

31013033131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34382520155.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31013033131102 its reverse (20113133031013), we get a palindrome (51126166162115).

The spelling of 31013033131102 in words is "thirty-one trillion, thirteen billion, thirty-three million, one hundred thirty-one thousand, one hundred two".

Divisors: 1 2 11 22 41 82 451 902 34382520101 68765040202 378207721111 756415442222 1409683324141 2819366648282 15506516565551 31013033131102