137370772030631 has 4 divisors (see below), whose sum is σ = 137370928412352. Its totient is φ = 137370615648912.

The previous prime is 137370772030627. The next prime is 137370772030673. The reversal of 137370772030631 is 136030277073731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137370772030631 - 2² = 137370772030627 is a prime.

It is a super-2 number, since 2×137370772030631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137370772030631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137370772030691) 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, 76865726 + ... + 78632571.

It is an arithmetic number, because the mean of its divisors is an integer number (34342732103088).

Almost surely, 2^{137370772030631} is an apocalyptic number.

137370772030631 is a deficient number, since it is larger than the sum of its proper divisors (156381721).

137370772030631 is an equidigital number, since it uses as much as digits as its factorization.

137370772030631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156381720.

The product of its (nonzero) digits is 2333772, while the sum is 50.

The spelling of 137370772030631 in words is "one hundred thirty-seven trillion, three hundred seventy billion, seven hundred seventy-two million, thirty thousand, six hundred thirty-one".