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931041431 = 17503108881
BaseRepresentation
bin110111011111101…
…001000010010111
32101212220210201222
4313133221002113
53401321311211
6232215240555
732033502335
oct6737510227
92355823658
10931041431
11438604231
1221b97915b
1311ab746b8
148b91ab55
1556b0e1db
hex377e9097

931041431 has 8 divisors (see below), whose sum is σ = 987777504. Its totient is φ = 874524160.

The previous prime is 931041427. The next prime is 931041437. The reversal of 931041431 is 134140139.

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

It is a cyclic number.

It is not a de Polignac number, because 931041431 - 22 = 931041427 is a prime.

It is a super-2 number, since 2×9310414312 = 1733676292477055522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 931041431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (931041437) 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, 45890 + ... + 62991.

It is an arithmetic number, because the mean of its divisors is an integer number (123472188).

Almost surely, 2931041431 is an apocalyptic number.

931041431 is a deficient number, since it is larger than the sum of its proper divisors (56736073).

931041431 is a wasteful number, since it uses less digits than its factorization.

931041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109401.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 931041431 is about 30512.9715203223. The cubic root of 931041431 is about 976.4642232943.

The spelling of 931041431 in words is "nine hundred thirty-one million, forty-one thousand, four hundred thirty-one".

Divisors: 1 17 503 8551 108881 1850977 54767143 931041431