31450105528 has 48 divisors (see below), whose sum is σ = 62528193000. Its totient is φ = 14788861632.

The previous prime is 31450105517. The next prime is 31450105541. The reversal of 31450105528 is 82550105413.

It is a junction number, because it is equal to n+sod(n) for n = 31450105493 and 31450105502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2931438 + ... + 2942146.

Almost surely, 2^31450105528 is an apocalyptic number.

31450105528 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

31450105528 is a deficient number, since it is larger than the sum of its proper divisors (31078087472).

31450105528 is a wasteful number, since it uses less digits than its factorization.

31450105528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012 (or 10869 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 31450105528 in words is "thirty-one billion, four hundred fifty million, one hundred five thousand, five hundred twenty-eight".