1012240331 has 4 divisors (see below), whose sum is σ = 1047145200. Its totient is φ = 977335464.

The previous prime is 1012240321. The next prime is 1012240379. The reversal of 1012240331 is 1330422101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1330422101 = 7393 ⋅179957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012240331 is a prime.

It is a super-2 number, since 2×1012240331² = 2049260975405979122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012240321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17452391 + ... + 17452448.

It is an arithmetic number, because the mean of its divisors is an integer number (261786300).

Almost surely, 2^1012240331 is an apocalyptic number.

1012240331 is a deficient number, since it is larger than the sum of its proper divisors (34904869).

1012240331 is an equidigital number, since it uses as much as digits as its factorization.

1012240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34904868.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1012240331 is about 31815.7245870654. The cubic root of 1012240331 is about 1004.0635753221.

Adding to 1012240331 its reverse (1330422101), we get a palindrome (2342662432).

The spelling of 1012240331 in words is "one billion, twelve million, two hundred forty thousand, three hundred thirty-one".