31010131010 has 32 divisors (see below), whose sum is σ = 55934841600. Its totient is φ = 12378175488.

The previous prime is 31010130997. The next prime is 31010131051. The reversal of 31010131010 is 1013101013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31010130982 and 31010131000.

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, 18251141 + ... + 18252839.

It is an arithmetic number, because the mean of its divisors is an integer number (1747963800).

Almost surely, 2^31010131010 is an apocalyptic number.

31010131010 is a deficient number, since it is larger than the sum of its proper divisors (24924710590).

31010131010 is a wasteful number, since it uses less digits than its factorization.

31010131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 31010131010 its reverse (1013101013), we get a palindrome (32023232023).

The spelling of 31010131010 in words is "thirty-one billion, ten million, one hundred thirty-one thousand, ten".