2131231301 has 4 divisors (see below), whose sum is σ = 2142049932. Its totient is φ = 2120412672.

The previous prime is 2131231279. The next prime is 2131231303. The reversal of 2131231301 is 1031321312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1887902500 + 243328801 = 43450^2 + 15599^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131231301 - 2²² = 2127036997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131231301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131231303) 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, 5409020 + ... + 5409413.

It is an arithmetic number, because the mean of its divisors is an integer number (535512483).

Almost surely, 2^2131231301 is an apocalyptic number.

It is an amenable number.

2131231301 is a deficient number, since it is larger than the sum of its proper divisors (10818631).

2131231301 is a wasteful number, since it uses less digits than its factorization.

2131231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818630.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131231301 is about 46165.2607595798. The cubic root of 2131231301 is about 1286.8962301325.

Adding to 2131231301 its reverse (1031321312), we get a palindrome (3162552613).

The spelling of 2131231301 in words is "two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred one".