131561266324 has 24 divisors (see below), whose sum is σ = 231292152000. Its totient is φ = 65477970624.

The previous prime is 131561266321. The next prime is 131561266349. The reversal of 131561266324 is 423662165131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131561266321) 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, 3240897 + ... + 3281239.

It is an arithmetic number, because the mean of its divisors is an integer number (9637173000).

Almost surely, 2^131561266324 is an apocalyptic number.

It is an amenable number.

131561266324 is a deficient number, since it is larger than the sum of its proper divisors (99730885676).

131561266324 is a wasteful number, since it uses less digits than its factorization.

131561266324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44079 (or 44077 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The spelling of 131561266324 in words is "one hundred thirty-one billion, five hundred sixty-one million, two hundred sixty-six thousand, three hundred twenty-four".