2313131202 has 32 divisors (see below), whose sum is σ = 5145125760. Its totient is φ = 770318640.

The previous prime is 2313131201. The next prime is 2313131203. The reversal of 2313131202 is 2021313132.

2313131202 is a `hidden beast` number, since 231 + 313 + 120 + 2 = 666.

2313131202 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2313131201) and next prime (2313131203).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2313131201) 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, 39427 + ... + 78617.

It is an arithmetic number, because the mean of its divisors is an integer number (160785180).

Almost surely, 2^2313131202 is an apocalyptic number.

2313131202 is an abundant number, since it is smaller than the sum of its proper divisors (2831994558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2313131202 is a wasteful number, since it uses less digits than its factorization.

2313131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40295 (or 40289 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2313131202 is about 48095.0226322849. The cubic root of 2313131202 is about 1322.5134239391.

Adding to 2313131202 its reverse (2021313132), we get a palindrome (4334444334).

The spelling of 2313131202 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred two".