131030230136 has 16 divisors (see below), whose sum is σ = 264580272600. Its totient is φ = 60475490784.

The previous prime is 131030230103. The next prime is 131030230187. The reversal of 131030230136 is 631032030131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629952926 + ... + 629953133.

Almost surely, 2^131030230136 is an apocalyptic number.

It is an amenable number.

131030230136 is an abundant number, since it is smaller than the sum of its proper divisors (133550042464).

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

131030230136 is a wasteful number, since it uses less digits than its factorization.

131030230136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259906078 (or 1259906074 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131030230136 its reverse (631032030131), we get a palindrome (762062260267).

The spelling of 131030230136 in words is "one hundred thirty-one billion, thirty million, two hundred thirty thousand, one hundred thirty-six".