31421613004 has 12 divisors (see below), whose sum is σ = 55143598104. Its totient is φ = 15666299264.

The previous prime is 31421612993. The next prime is 31421613029. The reversal of 31421613004 is 40031612413.

It is a self number, because there is not a number n which added to its sum of digits gives 31421613004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11125222 + ... + 11128045.

It is an arithmetic number, because the mean of its divisors is an integer number (4595299842).

Almost surely, 2^31421613004 is an apocalyptic number.

It is an amenable number.

31421613004 is a deficient number, since it is larger than the sum of its proper divisors (23721985100).

31421613004 is a wasteful number, since it uses less digits than its factorization.

31421613004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22253624 (or 22253622 counting only the distinct ones).

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

The spelling of 31421613004 in words is "thirty-one billion, four hundred twenty-one million, six hundred thirteen thousand, four".