131045601 has 8 divisors (see below), whose sum is σ = 179449984. Its totient is φ = 85002480.

The previous prime is 131045599. The next prime is 131045611. The reversal of 131045601 is 106540131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131045601 - 2¹ = 131045599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131045611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590185 + ... + 590406.

It is an arithmetic number, because the mean of its divisors is an integer number (22431248).

Almost surely, 2^131045601 is an apocalyptic number.

It is an amenable number.

131045601 is a deficient number, since it is larger than the sum of its proper divisors (48404383).

131045601 is a wasteful number, since it uses less digits than its factorization.

131045601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180631.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131045601 is about 11447.5150578630. The cubic root of 131045601 is about 507.9342313124.

Adding to 131045601 its reverse (106540131), we get a palindrome (237585732).

The spelling of 131045601 in words is "one hundred thirty-one million, forty-five thousand, six hundred one".