31277124612 has 72 divisors (see below), whose sum is σ = 80366395200. Its totient is φ = 10255014720.

The previous prime is 31277124611. The next prime is 31277124643. The reversal of 31277124612 is 21642177213.

31277124612 is a `hidden beast` number, since 3 + 1 + 27 + 7 + 12 + 4 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31277124611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524187 + ... + 580797.

Almost surely, 2^31277124612 is an apocalyptic number.

It is an amenable number.

31277124612 is an abundant number, since it is smaller than the sum of its proper divisors (49089270588).

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

31277124612 is a wasteful number, since it uses less digits than its factorization.

31277124612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56873 (or 56868 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The spelling of 31277124612 in words is "thirty-one billion, two hundred seventy-seven million, one hundred twenty-four thousand, six hundred twelve".