351131113 has 2 divisors, whose sum is σ = 351131114. Its totient is φ = 351131112.

The previous prime is 351131111. The next prime is 351131119. The reversal of 351131113 is 311131153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350737984 + 393129 = 18728^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 351131113 - 2¹ = 351131111 is a prime.

Together with 351131111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (351131111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175565556 + 175565557.

It is an arithmetic number, because the mean of its divisors is an integer number (175565557).

Almost surely, 2^351131113 is an apocalyptic number.

It is an amenable number.

351131113 is a deficient number, since it is larger than the sum of its proper divisors (1).

351131113 is an equidigital number, since it uses as much as digits as its factorization.

351131113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135, while the sum is 19.

The square root of 351131113 is about 18738.4928155922. The cubic root of 351131113 is about 705.4882274463.

Adding to 351131113 its reverse (311131153), we get a palindrome (662262266).

The spelling of 351131113 in words is "three hundred fifty-one million, one hundred thirty-one thousand, one hundred thirteen".