131653155251 has 4 divisors (see below), whose sum is σ = 131685482712. Its totient is φ = 131620827792.

The previous prime is 131653155239. The next prime is 131653155281. The reversal of 131653155251 is 152551356131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131653155251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131653155211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16157621 + ... + 16165766.

It is an arithmetic number, because the mean of its divisors is an integer number (32921370678).

Almost surely, 2^131653155251 is an apocalyptic number.

131653155251 is a deficient number, since it is larger than the sum of its proper divisors (32327461).

131653155251 is an equidigital number, since it uses as much as digits as its factorization.

131653155251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32327460.

The product of its digits is 67500, while the sum is 38.

The spelling of 131653155251 in words is "one hundred thirty-one billion, six hundred fifty-three million, one hundred fifty-five thousand, two hundred fifty-one".