131308001 has 4 divisors (see below), whose sum is σ = 143245104. Its totient is φ = 119370900.

The previous prime is 131307991. The next prime is 131308063. The reversal of 131308001 is 100803131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131308001 - 2¹⁸ = 131045857 is a prime.

It is a super-2 number, since 2×131308001² = 34483582253232002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131308091) 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, 5968535 + ... + 5968556.

It is an arithmetic number, because the mean of its divisors is an integer number (35811276).

Almost surely, 2^131308001 is an apocalyptic number.

131308001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131308001 is a deficient number, since it is larger than the sum of its proper divisors (11937103).

131308001 is a wasteful number, since it uses less digits than its factorization.

131308001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937102.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 131308001 is about 11458.9703289606. The cubic root of 131308001 is about 508.2730270720.

The spelling of 131308001 in words is "one hundred thirty-one million, three hundred eight thousand, one".