31424031004 has 24 divisors (see below), whose sum is σ = 60234708240. Its totient is φ = 14277854976.

The previous prime is 31424030959. The next prime is 31424031019. The reversal of 31424031004 is 40013042413.

It is a congruent number.

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, 7965582 + ... + 7969525.

It is an arithmetic number, because the mean of its divisors is an integer number (2509779510).

Almost surely, 2^31424031004 is an apocalyptic number.

31424031004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31424031004 is a deficient number, since it is larger than the sum of its proper divisors (28810677236).

31424031004 is a wasteful number, since it uses less digits than its factorization.

31424031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935157 (or 15935155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31424031004 its reverse (40013042413), we get a palindrome (71437073417).

The spelling of 31424031004 in words is "thirty-one billion, four hundred twenty-four million, thirty-one thousand, four".