31042345210 has 16 divisors (see below), whose sum is σ = 57065078016. Its totient is φ = 12152747728.

The previous prime is 31042345193. The next prime is 31042345237. The reversal of 31042345210 is 1254324013.

It is a super-2 number, since 2×31042345210² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33023302 + ... + 33024241.

It is an arithmetic number, because the mean of its divisors is an integer number (3566567376).

Almost surely, 2^31042345210 is an apocalyptic number.

31042345210 is a deficient number, since it is larger than the sum of its proper divisors (26022732806).

31042345210 is a wasteful number, since it uses less digits than its factorization.

31042345210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66047597.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 31042345210 its reverse (1254324013), we get a palindrome (32296669223).

The spelling of 31042345210 in words is "thirty-one billion, forty-two million, three hundred forty-five thousand, two hundred ten".