131207630 has 16 divisors (see below), whose sum is σ = 237158064. Its totient is φ = 52264320.

The previous prime is 131207623. The next prime is 131207633. The reversal of 131207630 is 36702131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131207596 and 131207605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131207633) 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, 24812 + ... + 29631.

It is an arithmetic number, because the mean of its divisors is an integer number (14822379).

Almost surely, 2^131207630 is an apocalyptic number.

131207630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131207630 is a deficient number, since it is larger than the sum of its proper divisors (105950434).

131207630 is a wasteful number, since it uses less digits than its factorization.

131207630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54691.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 131207630 is about 11454.5899097261. The cubic root of 131207630 is about 508.1434871712.

Adding to 131207630 its reverse (36702131), we get a palindrome (167909761).

The spelling of 131207630 in words is "one hundred thirty-one million, two hundred seven thousand, six hundred thirty".