131152551 has 4 divisors (see below), whose sum is σ = 174870072. Its totient is φ = 87435032.

The previous prime is 131152499. The next prime is 131152559. The reversal of 131152551 is 155251131.

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

It is a cyclic number.

It is not a de Polignac number, because 131152551 - 2⁷ = 131152423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131152559) 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, 21858756 + ... + 21858761.

It is an arithmetic number, because the mean of its divisors is an integer number (43717518).

Almost surely, 2^131152551 is an apocalyptic number.

131152551 is a deficient number, since it is larger than the sum of its proper divisors (43717521).

131152551 is an equidigital number, since it uses as much as digits as its factorization.

131152551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43717520.

The product of its digits is 750, while the sum is 24.

The square root of 131152551 is about 11452.1854246253. The cubic root of 131152551 is about 508.0723735417.

The spelling of 131152551 in words is "one hundred thirty-one million, one hundred fifty-two thousand, five hundred fifty-one".