31424767146 has 48 divisors (see below), whose sum is σ = 70308995328. Its totient is φ = 10133323200.

The previous prime is 31424767117. The next prime is 31424767151. The reversal of 31424767146 is 64176742413.

31424767146 is a `hidden beast` number, since 31 + 4 + 2 + 476 + 7 + 146 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1808761 + ... + 1826051.

It is an arithmetic number, because the mean of its divisors is an integer number (1464770736).

Almost surely, 2^31424767146 is an apocalyptic number.

31424767146 is an abundant number, since it is smaller than the sum of its proper divisors (38884228182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31424767146 is a wasteful number, since it uses less digits than its factorization.

31424767146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20587 (or 20584 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 31424767146 in words is "thirty-one billion, four hundred twenty-four million, seven hundred sixty-seven thousand, one hundred forty-six".