31494857676 has 24 divisors (see below), whose sum is σ = 73520885760. Its totient is φ = 10493588112.

The previous prime is 31494857671. The next prime is 31494857749. The reversal of 31494857676 is 67675849413.

It is a super-2 number, since 2×31494857676² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31494857671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559236 + ... + 612971.

It is an arithmetic number, because the mean of its divisors is an integer number (3063370240).

Almost surely, 2^31494857676 is an apocalyptic number.

It is an amenable number.

31494857676 is an abundant number, since it is smaller than the sum of its proper divisors (42026028084).

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

31494857676 is a wasteful number, since it uses less digits than its factorization.

31494857676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174453 (or 1174451 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 31494857676 in words is "thirty-one billion, four hundred ninety-four million, eight hundred fifty-seven thousand, six hundred seventy-six".