131812962305 has 32 divisors (see below), whose sum is σ = 168586272000. Its totient is φ = 98593431552.

The previous prime is 131812962301. The next prime is 131812962319. The reversal of 131812962305 is 503269218131.

It is a cyclic number.

It is not a de Polignac number, because 131812962305 - 2² = 131812962301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131812962301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11378006 + ... + 11389584.

It is an arithmetic number, because the mean of its divisors is an integer number (5268321000).

Almost surely, 2^131812962305 is an apocalyptic number.

It is an amenable number.

131812962305 is a deficient number, since it is larger than the sum of its proper divisors (36773309695).

131812962305 is a wasteful number, since it uses less digits than its factorization.

131812962305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12473.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 131812962305 in words is "one hundred thirty-one billion, eight hundred twelve million, nine hundred sixty-two thousand, three hundred five".