2131164501 has 8 divisors (see below), whose sum is σ = 2841787584. Its totient is φ = 1420658880.

The previous prime is 2131164491. The next prime is 2131164559. The reversal of 2131164501 is 1054611312.

It is a happy number.

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

It is not a de Polignac number, because 2131164501 - 2²⁵ = 2097610069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131164401) 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, 30280 + ... + 71966.

It is an arithmetic number, because the mean of its divisors is an integer number (355223448).

Almost surely, 2^2131164501 is an apocalyptic number.

It is an amenable number.

2131164501 is a deficient number, since it is larger than the sum of its proper divisors (710623083).

2131164501 is a wasteful number, since it uses less digits than its factorization.

2131164501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58731.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2131164501 is about 46164.5372661743. The cubic root of 2131164501 is about 1286.8827847647.

Adding to 2131164501 its reverse (1054611312), we get a palindrome (3185775813).

The spelling of 2131164501 in words is "two billion, one hundred thirty-one million, one hundred sixty-four thousand, five hundred one".