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10231231031 = 74992929067
BaseRepresentation
bin10011000011101010…
…00011001000110111
3222102000212101110122
421201311003020313
5131423143343111
64411122442155
7511353012620
oct114165031067
928360771418
1010231231031
11438029933a
121b9650335b
13c7088ab78
146d0b54a47
153ed335cdb
hex261d43237

10231231031 has 8 divisors (see below), whose sum is σ = 11716272000. Its totient is φ = 8752049208.

The previous prime is 10231230983. The next prime is 10231231033. The reversal of 10231231031 is 13013213201.

Adding to 10231231031 its reverse (13013213201), we get a palindrome (23244444232).

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

It is not a de Polignac number, because 10231231031 - 222 = 10227036727 is a prime.

It is a super-2 number, since 2×102312310312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231231033) 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, 1461041 + ... + 1468026.

It is an arithmetic number, because the mean of its divisors is an integer number (1464534000).

Almost surely, 210231231031 is an apocalyptic number.

10231231031 is a deficient number, since it is larger than the sum of its proper divisors (1485040969).

10231231031 is an equidigital number, since it uses as much as digits as its factorization.

10231231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929573.

The product of its (nonzero) digits is 108, while the sum is 17.

The spelling of 10231231031 in words is "ten billion, two hundred thirty-one million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 7 499 3493 2929067 20503469 1461604433 10231231031