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31255355041031 = 116014727780221
BaseRepresentation
bin1110001101101001101000…
…10101011010010100000111
311002122222112102200022101102
413012310310111122110013
513044041431342303111
6150250302322250315
76404060556233432
oct706646425322407
9132588472608342
1031255355041031
119a6035a105840
1236095b71b699b
1314594a10550b4
147a0aa54c6819
1539305454313b
hex1c6d3455a507

31255355041031 has 8 divisors (see below), whose sum is σ = 34153484323728. Its totient is φ = 28366681320000.

The previous prime is 31255355041013. The next prime is 31255355041051. The reversal of 31255355041031 is 13014055355213.

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-31255355041031 is a prime.

It is a super-2 number, since 2×312553550410312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31255355041051) 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, 2363883500 + ... + 2363896721.

It is an arithmetic number, because the mean of its divisors is an integer number (4269185540466).

Almost surely, 231255355041031 is an apocalyptic number.

31255355041031 is a deficient number, since it is larger than the sum of its proper divisors (2898129282697).

31255355041031 is a wasteful number, since it uses less digits than its factorization.

31255355041031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727780833.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 31255355041031 in words is "thirty-one trillion, two hundred fifty-five billion, three hundred fifty-five million, forty-one thousand, thirty-one".

Divisors: 1 11 601 6611 4727780221 52005582431 2841395912821 31255355041031