1013230431 has 16 divisors (see below), whose sum is σ = 1566347520. Its totient is φ = 646117560.

The previous prime is 1013230399. The next prime is 1013230441. The reversal of 1013230431 is 1340323101.

1013230431 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 230 + 431 = 666.

It is not a de Polignac number, because 1013230431 - 2⁵ = 1013230399 is a prime.

It is a super-2 number, since 2×1013230431² = 2053271812608891522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013230441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815185 + ... + 816426.

It is an arithmetic number, because the mean of its divisors is an integer number (97896720).

Almost surely, 2^1013230431 is an apocalyptic number.

1013230431 is a deficient number, since it is larger than the sum of its proper divisors (553117089).

1013230431 is a wasteful number, since it uses less digits than its factorization.

1013230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631643 (or 1631637 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1013230431 is about 31831.2806999656. The cubic root of 1013230431 is about 1004.3908360082.

Adding to 1013230431 its reverse (1340323101), we get a palindrome (2353553532).

The spelling of 1013230431 in words is "one billion, thirteen million, two hundred thirty thousand, four hundred thirty-one".