31400232250 has 32 divisors (see below), whose sum is σ = 58958976960. Its totient is φ = 12522114000.

The previous prime is 31400232239. The next prime is 31400232271. The reversal of 31400232250 is 5223200413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106980 + ... + 272479.

It is an arithmetic number, because the mean of its divisors is an integer number (1842468030).

Almost surely, 2^31400232250 is an apocalyptic number.

31400232250 is a deficient number, since it is larger than the sum of its proper divisors (27558744710).

31400232250 is a wasteful number, since it uses less digits than its factorization.

31400232250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379807 (or 379797 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 31400232250 its reverse (5223200413), we get a palindrome (36623432663).

The spelling of 31400232250 in words is "thirty-one billion, four hundred million, two hundred thirty-two thousand, two hundred fifty".