310989406722672 has 20 divisors (see below), whose sum is σ = 803389300700360. Its totient is φ = 103663135574208.

The previous prime is 310989406722671. The next prime is 310989406722677. The reversal of 310989406722672 is 276227604989013.

It is a super-2 number, since 2×310989406722672² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310989406722671) 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, 3239472986647 + ... + 3239472986742.

It is an arithmetic number, because the mean of its divisors is an integer number (40169465035018).

Almost surely, 2^{310989406722672} is an apocalyptic number.

It is an amenable number.

310989406722672 is an abundant number, since it is smaller than the sum of its proper divisors (492399893977688).

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

310989406722672 is a wasteful number, since it uses less digits than its factorization.

310989406722672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478945973400 (or 6478945973394 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 310989406722672 in words is "three hundred ten trillion, nine hundred eighty-nine billion, four hundred six million, seven hundred twenty-two thousand, six hundred seventy-two".