1403231113 has 2 divisors, whose sum is σ = 1403231114. Its totient is φ = 1403231112.

The previous prime is 1403231087. The next prime is 1403231143. The reversal of 1403231113 is 3111323041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382872969 + 20358144 = 37187^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403231113 - 2²¹ = 1401133961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1403231143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701615556 + 701615557.

It is an arithmetic number, because the mean of its divisors is an integer number (701615557).

Almost surely, 2^1403231113 is an apocalyptic number.

It is an amenable number.

1403231113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403231113 is an equidigital number, since it uses as much as digits as its factorization.

1403231113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1403231113 is about 37459.7265473201. The cubic root of 1403231113 is about 1119.5489023619.

Adding to 1403231113 its reverse (3111323041), we get a palindrome (4514554154).

The spelling of 1403231113 in words is "one billion, four hundred three million, two hundred thirty-one thousand, one hundred thirteen".