31235250530 has 32 divisors (see below), whose sum is σ = 61551465408. Its totient is φ = 11318126400.

The previous prime is 31235250499. The next prime is 31235250589. The reversal of 31235250530 is 3505253213.

It is a junction number, because it is equal to n+sod(n) for n = 31235250493 and 31235250502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470561 + ... + 532820.

It is an arithmetic number, because the mean of its divisors is an integer number (1923483294).

Almost surely, 2^31235250530 is an apocalyptic number.

31235250530 is a deficient number, since it is larger than the sum of its proper divisors (30316214878).

31235250530 is a wasteful number, since it uses less digits than its factorization.

31235250530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003682.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 31235250530 in words is "thirty-one billion, two hundred thirty-five million, two hundred fifty thousand, five hundred thirty".