131211300030232 has 64 divisors (see below), whose sum is σ = 260482547455200. Its totient is φ = 61789674746880.

The previous prime is 131211300030191. The next prime is 131211300030241. The reversal of 131211300030232 is 232030003112131.

It is a super-2 number, since 2×131211300030232² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455328978 + ... + 455617054.

Almost surely, 2^{131211300030232} is an apocalyptic number.

It is an amenable number.

131211300030232 is a deficient number, since it is larger than the sum of its proper divisors (129271247424968).

131211300030232 is a wasteful number, since it uses less digits than its factorization.

131211300030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305596 (or 305592 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131211300030232 its reverse (232030003112131), we get a palindrome (363241303142363).

The spelling of 131211300030232 in words is "one hundred thirty-one trillion, two hundred eleven billion, three hundred million, thirty thousand, two hundred thirty-two".