1013252431 has 16 divisors (see below), whose sum is σ = 1070323200. Its totient is φ = 957852000.

The previous prime is 1013252413. The next prime is 1013252441. The reversal of 1013252431 is 1342523101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1013252431 - 2¹⁵ = 1013219663 is a prime.

It is a super-2 number, since 2×1013252431² = 2053360977854819522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013252441) 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, 309280 + ... + 312538.

It is an arithmetic number, because the mean of its divisors is an integer number (66895200).

Almost surely, 2^1013252431 is an apocalyptic number.

1013252431 is a deficient number, since it is larger than the sum of its proper divisors (57070769).

1013252431 is a wasteful number, since it uses less digits than its factorization.

1013252431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1013252431 is about 31831.6262701107. The cubic root of 1013252431 is about 1004.3981053117.

Adding to 1013252431 its reverse (1342523101), we get a palindrome (2355775532).

The spelling of 1013252431 in words is "one billion, thirteen million, two hundred fifty-two thousand, four hundred thirty-one".