958131113 has 2 divisors, whose sum is σ = 958131114. Its totient is φ = 958131112.

The previous prime is 958131077. The next prime is 958131121. The reversal of 958131113 is 311131859.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859486489 + 98644624 = 29317^2 + 9932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-958131113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 958131113.

It is not a weakly prime, because it can be changed into another prime (958131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479065556 + 479065557.

It is an arithmetic number, because the mean of its divisors is an integer number (479065557).

Almost surely, 2^958131113 is an apocalyptic number.

It is an amenable number.

958131113 is a deficient number, since it is larger than the sum of its proper divisors (1).

958131113 is an equidigital number, since it uses as much as digits as its factorization.

958131113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 958131113 is about 30953.6930429957. The cubic root of 958131113 is about 985.8442650324.

The spelling of 958131113 in words is "nine hundred fifty-eight million, one hundred thirty-one thousand, one hundred thirteen".