31242131023210 has 64 divisors (see below), whose sum is σ = 59639540792832. Its totient is φ = 11742841184256.

The previous prime is 31242131023171. The next prime is 31242131023217. The reversal of 31242131023210 is 1232013124213.

It is not an unprimeable number, because it can be changed into a prime (31242131023217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748976739 + ... + 1748994601.

It is an arithmetic number, because the mean of its divisors is an integer number (931867824888).

Almost surely, 2^{31242131023210} is an apocalyptic number.

31242131023210 is a deficient number, since it is larger than the sum of its proper divisors (28397409769622).

31242131023210 is a wasteful number, since it uses less digits than its factorization.

31242131023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33847.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31242131023210 its reverse (1232013124213), we get a palindrome (32474144147423).

The spelling of 31242131023210 in words is "thirty-one trillion, two hundred forty-two billion, one hundred thirty-one million, twenty-three thousand, two hundred ten".