2231131202 has 16 divisors (see below), whose sum is σ = 3523759200. Its totient is φ = 1056575520.

The previous prime is 2231131159. The next prime is 2231131207. The reversal of 2231131202 is 2021311322.

It is a super-3 number, since 3×2231131202³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231131207) 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, 274574 + ... + 282582.

It is an arithmetic number, because the mean of its divisors is an integer number (220234950).

Almost surely, 2^2231131202 is an apocalyptic number.

2231131202 is a deficient number, since it is larger than the sum of its proper divisors (1292627998).

2231131202 is a wasteful number, since it uses less digits than its factorization.

2231131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15361.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2231131202 is about 47234.8515611090. The cubic root of 2231131202 is about 1306.6974289781.

Adding to 2231131202 its reverse (2021311322), we get a palindrome (4252442524).

The spelling of 2231131202 in words is "two billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred two".