1231470113 has 2 divisors, whose sum is σ = 1231470114. Its totient is φ = 1231470112.

The previous prime is 1231470043. The next prime is 1231470143. The reversal of 1231470113 is 3110741321.

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., 1113356689 + 118113424 = 33367^2 + 10868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231470113 - 2¹² = 1231466017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231470143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615735056 + 615735057.

It is an arithmetic number, because the mean of its divisors is an integer number (615735057).

Almost surely, 2^1231470113 is an apocalyptic number.

It is an amenable number.

1231470113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231470113 is an equidigital number, since it uses as much as digits as its factorization.

1231470113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1231470113 is about 35092.3084592621. The cubic root of 1231470113 is about 1071.8679668758.

The spelling of 1231470113 in words is "one billion, two hundred thirty-one million, four hundred seventy thousand, one hundred thirteen".