2231401313 has 2 divisors, whose sum is σ = 2231401314. Its totient is φ = 2231401312.

The previous prime is 2231401309. The next prime is 2231401339. The reversal of 2231401313 is 3131041322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137577984 + 1093823329 = 33728^2 + 33073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231401313 - 2² = 2231401309 is a prime.

It is a super-3 number, since 3×2231401313³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231401013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115700656 + 1115700657.

It is an arithmetic number, because the mean of its divisors is an integer number (1115700657).

Almost surely, 2^2231401313 is an apocalyptic number.

It is an amenable number.

2231401313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231401313 is an equidigital number, since it uses as much as digits as its factorization.

2231401313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2231401313 is about 47237.7107087124. The cubic root of 2231401313 is about 1306.7501584495.

Adding to 2231401313 its reverse (3131041322), we get a palindrome (5362442635).

The spelling of 2231401313 in words is "two billion, two hundred thirty-one million, four hundred one thousand, three hundred thirteen".