31422738051 has 16 divisors (see below), whose sum is σ = 46555036800. Its totient is φ = 20947217544.

The previous prime is 31422738047. The next prime is 31422738089. The reversal of 31422738051 is 15083722413.

31422738051 is a `hidden beast` number, since 3 + 1 + 4 + 227 + 380 + 51 = 666.

It is not a de Polignac number, because 31422738051 - 2² = 31422738047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31422737997 and 31422738015.

It is not an unprimeable number, because it can be changed into a prime (31422738751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677920 + ... + 722786.

It is an arithmetic number, because the mean of its divisors is an integer number (2909689800).

Almost surely, 2^31422738051 is an apocalyptic number.

31422738051 is a deficient number, since it is larger than the sum of its proper divisors (15132298749).

31422738051 is a wasteful number, since it uses less digits than its factorization.

31422738051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70815 (or 70809 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 31422738051 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-eight thousand, fifty-one".