131023001 has 8 divisors (see below), whose sum is σ = 133584000. Its totient is φ = 128484720.

The previous prime is 131022977. The next prime is 131023007. The reversal of 131023001 is 100320131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131023001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131023007) 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, 6206 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (16698000).

Almost surely, 2^131023001 is an apocalyptic number.

It is an amenable number.

131023001 is a deficient number, since it is larger than the sum of its proper divisors (2560999).

131023001 is a wasteful number, since it uses less digits than its factorization.

131023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 131023001 is about 11446.5279015080. The cubic root of 131023001 is about 507.9050303485.

Adding to 131023001 its reverse (100320131), we get a palindrome (231343132).

The spelling of 131023001 in words is "one hundred thirty-one million, twenty-three thousand, one".