131403051 has 24 divisors (see below), whose sum is σ = 205020816. Its totient is φ = 80619840.

The previous prime is 131403049. The next prime is 131403091. The reversal of 131403051 is 150304131.

It is not a de Polignac number, because 131403051 - 2¹ = 131403049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42136 + ... + 45146.

It is an arithmetic number, because the mean of its divisors is an integer number (8542534).

Almost surely, 2^131403051 is an apocalyptic number.

131403051 is a deficient number, since it is larger than the sum of its proper divisors (73617765).

131403051 is a wasteful number, since it uses less digits than its factorization.

131403051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 131403051 is about 11463.1169844855. The cubic root of 131403051 is about 508.3956387902.

Adding to 131403051 its reverse (150304131), we get a palindrome (281707182).

The spelling of 131403051 in words is "one hundred thirty-one million, four hundred three thousand, fifty-one".