2215234131 has 16 divisors (see below), whose sum is σ = 3223939968. Its totient is φ = 1341824000.

The previous prime is 2215234123. The next prime is 2215234171. The reversal of 2215234131 is 1314325122.

It is not a de Polignac number, because 2215234131 - 2³ = 2215234123 is a prime.

It is a super-2 number, since 2×2215234131² = 9814524510294650322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215234171) 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, 45331 + ... + 80531.

It is an arithmetic number, because the mean of its divisors is an integer number (201496248).

Almost surely, 2^2215234131 is an apocalyptic number.

2215234131 is a deficient number, since it is larger than the sum of its proper divisors (1008705837).

2215234131 is a wasteful number, since it uses less digits than its factorization.

2215234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37122.

The product of its digits is 1440, while the sum is 24.

The square root of 2215234131 is about 47066.2738168213. The cubic root of 2215234131 is about 1303.5865714467.

Adding to 2215234131 its reverse (1314325122), we get a palindrome (3529559253).

Subtracting from 2215234131 its reverse (1314325122), we obtain a palindrome (900909009).

The spelling of 2215234131 in words is "two billion, two hundred fifteen million, two hundred thirty-four thousand, one hundred thirty-one".