31672277728131 has 8 divisors (see below), whose sum is σ = 44065777708800. Its totient is φ = 20196814783112.

The previous prime is 31672277728123. The next prime is 31672277728151. The reversal of 31672277728131 is 13182777227613.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31672277728131 - 2³ = 31672277728123 is a prime.

It is a super-2 number, since 2×31672277728131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31672277728151) 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, 229509258831 + ... + 229509258968.

It is an arithmetic number, because the mean of its divisors is an integer number (5508222213600).

Almost surely, 2^{31672277728131} is an apocalyptic number.

31672277728131 is a deficient number, since it is larger than the sum of its proper divisors (12393499980669).

31672277728131 is a wasteful number, since it uses less digits than its factorization.

31672277728131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459018517825.

The product of its digits is 8297856, while the sum is 57.

The spelling of 31672277728131 in words is "thirty-one trillion, six hundred seventy-two billion, two hundred seventy-seven million, seven hundred twenty-eight thousand, one hundred thirty-one".