485031231 has 12 divisors (see below), whose sum is σ = 701566008. Its totient is φ = 322908624.

The previous prime is 485031229. The next prime is 485031289. The reversal of 485031231 is 132130584.

It is a happy number.

It is not a de Polignac number, because 485031231 - 2¹ = 485031229 is a prime.

It is a super-2 number, since 2×485031231² = 470510590090750722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 485031195 and 485031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485031431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30165 + ... + 43358.

It is an arithmetic number, because the mean of its divisors is an integer number (58463834).

Almost surely, 2^485031231 is an apocalyptic number.

485031231 is a deficient number, since it is larger than the sum of its proper divisors (216534777).

485031231 is a wasteful number, since it uses less digits than its factorization.

485031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74262 (or 74259 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 485031231 is about 22023.4245974599. The cubic root of 485031231 is about 785.6996647937.

The spelling of 485031231 in words is "four hundred eighty-five million, thirty-one thousand, two hundred thirty-one".