1307700631 has 8 divisors (see below), whose sum is σ = 1390158000. Its totient is φ = 1226606400.

The previous prime is 1307700623. The next prime is 1307700637. The reversal of 1307700631 is 1360077031.

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 1307700631 - 2³ = 1307700623 is a prime.

It is a super-2 number, since 2×1307700631² = 3420161880635596322, which 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 1307700631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307700637) 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, 338806 + ... + 342643.

It is an arithmetic number, because the mean of its divisors is an integer number (173769750).

Almost surely, 2^1307700631 is an apocalyptic number.

1307700631 is a deficient number, since it is larger than the sum of its proper divisors (82457369).

1307700631 is a wasteful number, since it uses less digits than its factorization.

1307700631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681569.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 1307700631 is about 36162.1436173245. The cubic root of 1307700631 is about 1093.5436198752.

Adding to 1307700631 its reverse (1360077031), we get a palindrome (2667777662).

The spelling of 1307700631 in words is "one billion, three hundred seven million, seven hundred thousand, six hundred thirty-one".