2131230253 has 4 divisors (see below), whose sum is σ = 2199979648. Its totient is φ = 2062480860.

The previous prime is 2131230221. The next prime is 2131230349. The reversal of 2131230253 is 3520321312.

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 2131230253 - 2⁵ = 2131230221 is a prime.

It is a super-3 number, since 3×2131230253³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131231253) 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, 34374651 + ... + 34374712.

It is an arithmetic number, because the mean of its divisors is an integer number (549994912).

Almost surely, 2^2131230253 is an apocalyptic number.

It is an amenable number.

2131230253 is a deficient number, since it is larger than the sum of its proper divisors (68749395).

2131230253 is an equidigital number, since it uses as much as digits as its factorization.

2131230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68749394.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2131230253 is about 46165.2494090523. The cubic root of 2131230253 is about 1286.8960191954.

Adding to 2131230253 its reverse (3520321312), we get a palindrome (5651551565).

The spelling of 2131230253 in words is "two billion, one hundred thirty-one million, two hundred thirty thousand, two hundred fifty-three".