1012333231 has 32 divisors (see below), whose sum is σ = 1275015168. Its totient is φ = 782421120.

The previous prime is 1012333193. The next prime is 1012333261. The reversal of 1012333231 is 1323332101.

It is not a de Polignac number, because 1012333231 - 2⁷ = 1012333103 is a prime.

It is a super-2 number, since 2×1012333231² = 2049637141173798722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012333199 and 1012333208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012333261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078470 + ... + 2078956.

It is an arithmetic number, because the mean of its divisors is an integer number (39844224).

Almost surely, 2^1012333231 is an apocalyptic number.

1012333231 is a deficient number, since it is larger than the sum of its proper divisors (262681937).

1012333231 is a wasteful number, since it uses less digits than its factorization.

1012333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1012333231 is about 31817.1845234615. The cubic root of 1012333231 is about 1004.0942909042.

Adding to 1012333231 its reverse (1323332101), we get a palindrome (2335665332).

It can be divided in two parts, 101 and 2333231, that added together give a palindrome (2333332).

The spelling of 1012333231 in words is "one billion, twelve million, three hundred thirty-three thousand, two hundred thirty-one".