2131211253 has 16 divisors (see below), whose sum is σ = 2854612800. Its totient is φ = 1414323456.

The previous prime is 2131211233. The next prime is 2131211261. The reversal of 2131211253 is 3521121312.

It is not a de Polignac number, because 2131211253 - 2¹² = 2131207157 is a prime.

It is a super-2 number, since 2×2131211253² = 9084122809827660018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131211233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834823 + ... + 837371.

It is an arithmetic number, because the mean of its divisors is an integer number (178413300).

Almost surely, 2^2131211253 is an apocalyptic number.

It is an amenable number.

2131211253 is a deficient number, since it is larger than the sum of its proper divisors (723401547).

2131211253 is a wasteful number, since it uses less digits than its factorization.

2131211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

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

The square root of 2131211253 is about 46165.0436261031. The cubic root of 2131211253 is about 1286.8921949415.

Adding to 2131211253 its reverse (3521121312), we get a palindrome (5652332565).

The spelling of 2131211253 in words is "two billion, one hundred thirty-one million, two hundred eleven thousand, two hundred fifty-three".