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31042089735 = 352069472649
BaseRepresentation
bin11100111010010000…
…001011001100000111
32222010101011112202020
4130322100023030013
51002033233332420
622132135414223
72146152260226
oct347220131407
988111145666
1031042089735
111218a4a5518
126023b24373
132c0924b047
1417069d0cbd
15c1a371340
hex73a40b307

31042089735 has 8 divisors (see below), whose sum is σ = 49667343600. Its totient is φ = 16555781184.

The previous prime is 31042089731. The next prime is 31042089739. The reversal of 31042089735 is 53798024013.

It is an interprime number because it is at equal distance from previous prime (31042089731) and next prime (31042089739).

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

It is not a de Polignac number, because 31042089735 - 22 = 31042089731 is a prime.

It is a super-2 number, since 2×310420897352 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042089731) 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, 1034736310 + ... + 1034736339.

It is an arithmetic number, because the mean of its divisors is an integer number (6208417950).

Almost surely, 231042089735 is an apocalyptic number.

31042089735 is a deficient number, since it is larger than the sum of its proper divisors (18625253865).

31042089735 is a wasteful number, since it uses less digits than its factorization.

31042089735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069472657.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 31042089735 in words is "thirty-one billion, forty-two million, eighty-nine thousand, seven hundred thirty-five".

Divisors: 1 3 5 15 2069472649 6208417947 10347363245 31042089735