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31005114020153 = 713226208887591
BaseRepresentation
bin1110000110010111100001…
…10011101011000100111001
311001210001121201001022202222
413003023300303223010321
513030441433142121103
6145535315220533425
76350021425530050
oct703136063530471
9131701551038688
1031005114020153
119974216620a89
123588bb9b51275
13143ba01078800
14792926a95397
1538b7aa4ba638
hex1c32f0ceb139

31005114020153 has 12 divisors (see below), whose sum is σ = 38369811434688. Its totient is φ = 24531518784240.

The previous prime is 31005114020123. The next prime is 31005114020159. The reversal of 31005114020153 is 35102041150013.

It is not a de Polignac number, because 31005114020153 - 238 = 30730236113209 is a prime.

It is a super-2 number, since 2×310051140201532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31005114020159) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13104442613 + ... + 13104444978.

It is an arithmetic number, because the mean of its divisors is an integer number (3197484286224).

Almost surely, 231005114020153 is an apocalyptic number.

It is an amenable number.

31005114020153 is a deficient number, since it is larger than the sum of its proper divisors (7364697414535).

31005114020153 is a wasteful number, since it uses less digits than its factorization.

31005114020153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26208887624 (or 26208887611 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 31005114020153 its reverse (35102041150013), we get a palindrome (66107155170166).

The spelling of 31005114020153 in words is "thirty-one trillion, five billion, one hundred fourteen million, twenty thousand, one hundred fifty-three".

Divisors: 1 7 13 91 169 1183 26208887591 183462213137 340715538683 2385008770781 4429302002879 31005114020153