31381480658 has 8 divisors (see below), whose sum is σ = 51351513840. Its totient is φ = 14264309380.

The previous prime is 31381480657. The next prime is 31381480679. The reversal of 31381480658 is 85608418313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31381480658² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31381480657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713215448 + ... + 713215491.

It is an arithmetic number, because the mean of its divisors is an integer number (6418939230).

Almost surely, 2^31381480658 is an apocalyptic number.

31381480658 is a deficient number, since it is larger than the sum of its proper divisors (19970033182).

31381480658 is a wasteful number, since it uses less digits than its factorization.

31381480658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426430952.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 31381480658 in words is "thirty-one billion, three hundred eighty-one million, four hundred eighty thousand, six hundred fifty-eight".