425231031 has 16 divisors (see below), whose sum is σ = 597598560. Its totient is φ = 268544640.

The previous prime is 425231011. The next prime is 425231057. The reversal of 425231031 is 130132524.

It is not a de Polignac number, because 425231031 - 2¹³ = 425222839 is a prime.

It is a super-2 number, since 2×425231031² = 361642859450645922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425230989 and 425231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425231011) 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, 41500 + ... + 50721.

It is an arithmetic number, because the mean of its divisors is an integer number (37349910).

Almost surely, 2^425231031 is an apocalyptic number.

425231031 is a deficient number, since it is larger than the sum of its proper divisors (172367529).

425231031 is a wasteful number, since it uses less digits than its factorization.

425231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92306.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 425231031 is about 20621.1306915988. The cubic root of 425231031 is about 751.9835087441.

Adding to 425231031 its reverse (130132524), we get a palindrome (555363555).

The spelling of 425231031 in words is "four hundred twenty-five million, two hundred thirty-one thousand, thirty-one".