31203102232030 has 32 divisors (see below), whose sum is σ = 56192440106880. Its totient is φ = 12475273618080.

The previous prime is 31203102231979. The next prime is 31203102232091. The reversal of 31203102232030 is 3023220130213.

It is a junction number, because it is equal to n+sod(n) for n = 31203102231992 and 31203102232010.

It is a congruent number.

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, 425148997 + ... + 425222383.

It is an arithmetic number, because the mean of its divisors is an integer number (1756013753340).

Almost surely, 2^{31203102232030} is an apocalyptic number.

31203102232030 is a deficient number, since it is larger than the sum of its proper divisors (24989337874850).

31203102232030 is a wasteful number, since it uses less digits than its factorization.

31203102232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93144.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31203102232030 its reverse (3023220130213), we get a palindrome (34226322362243).

The spelling of 31203102232030 in words is "thirty-one trillion, two hundred three billion, one hundred two million, two hundred thirty-two thousand, thirty".