131510001 has 32 divisors (see below), whose sum is σ = 216115200. Its totient is φ = 69448320.

The previous prime is 131509993. The next prime is 131510009. The reversal of 131510001 is 100015131.

It is an interprime number because it is at equal distance from previous prime (131509993) and next prime (131510009).

It is not a de Polignac number, because 131510001 - 2³ = 131509993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131510009) 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, 12340 + ... + 20378.

It is an arithmetic number, because the mean of its divisors is an integer number (6753600).

Almost surely, 2^131510001 is an apocalyptic number.

It is an amenable number.

131510001 is a deficient number, since it is larger than the sum of its proper divisors (84605199).

131510001 is a wasteful number, since it uses less digits than its factorization.

131510001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 131510001 is about 11467.7809972113. The cubic root of 131510001 is about 508.5335304863.

Adding to 131510001 its reverse (100015131), we get a palindrome (231525132).

The spelling of 131510001 in words is "one hundred thirty-one million, five hundred ten thousand, one".