31011012104 has 32 divisors (see below), whose sum is σ = 59862997920. Its totient is φ = 15051972096.

The previous prime is 31011012029. The next prime is 31011012113. The reversal of 31011012104 is 40121011013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220457 + ... + 332600.

It is an arithmetic number, because the mean of its divisors is an integer number (1870718685).

Almost surely, 2^31011012104 is an apocalyptic number.

It is an amenable number.

31011012104 is a deficient number, since it is larger than the sum of its proper divisors (28851985816).

31011012104 is a wasteful number, since it uses less digits than its factorization.

31011012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553269 (or 553265 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31011012104 its reverse (40121011013), we get a palindrome (71132023117).

The spelling of 31011012104 in words is "thirty-one billion, eleven million, twelve thousand, one hundred four".