131130120001 has 4 divisors (see below), whose sum is σ = 135360123904. Its totient is φ = 126900116100.

The previous prime is 131130119977. The next prime is 131130120031. The reversal of 131130120001 is 100021031131.

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 a cyclic number.

It is not a de Polignac number, because 131130120001 - 2¹⁷ = 131129988929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131130120031) 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, 2115001905 + ... + 2115001966.

It is an arithmetic number, because the mean of its divisors is an integer number (33840030976).

Almost surely, 2^131130120001 is an apocalyptic number.

It is an amenable number.

131130120001 is a deficient number, since it is larger than the sum of its proper divisors (4230003903).

131130120001 is an equidigital number, since it uses as much as digits as its factorization.

131130120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230003902.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131130120001 its reverse (100021031131), we get a palindrome (231151151132).

The spelling of 131130120001 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred twenty thousand, one".