2311201232 has 10 divisors (see below), whose sum is σ = 4477952418. Its totient is φ = 1155600608.

The previous prime is 2311201219. The next prime is 2311201237. The reversal of 2311201232 is 2321021132.

It can be written as a sum of positive squares in only one way, i.e., 1370184256 + 941016976 = 37016^2 + 30676^2 .

It is a super-2 number, since 2×2311201232² = 10683302269596635648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2311201232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311201237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72225023 + ... + 72225054.

Almost surely, 2^2311201232 is an apocalyptic number.

It is an amenable number.

2311201232 is a deficient number, since it is larger than the sum of its proper divisors (2166751186).

2311201232 is a wasteful number, since it uses less digits than its factorization.

2311201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144450085 (or 144450079 counting only the distinct ones).

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

The square root of 2311201232 is about 48074.9543109507. The cubic root of 2311201232 is about 1322.1455068589.

Adding to 2311201232 its reverse (2321021132), we get a palindrome (4632222364).

The spelling of 2311201232 in words is "two billion, three hundred eleven million, two hundred one thousand, two hundred thirty-two".