31253224145230 has 32 divisors (see below), whose sum is σ = 56524318988544. Its totient is φ = 12441724141056.

The previous prime is 31253224145207. The next prime is 31253224145239. The reversal of 31253224145230 is 3254142235213.

It is a self number, because there is not a number n which added to its sum of digits gives 31253224145230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31253224145239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4146427 + ... + 8927446.

It is an arithmetic number, because the mean of its divisors is an integer number (1766384968392).

Almost surely, 2^{31253224145230} is an apocalyptic number.

31253224145230 is a deficient number, since it is larger than the sum of its proper divisors (25271094843314).

31253224145230 is a wasteful number, since it uses less digits than its factorization.

31253224145230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075020.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 31253224145230 in words is "thirty-one trillion, two hundred fifty-three billion, two hundred twenty-four million, one hundred forty-five thousand, two hundred thirty".