1012442331 has 8 divisors (see below), whose sum is σ = 1350983680. Its totient is φ = 674431272.

The previous prime is 1012442317. The next prime is 1012442351. The reversal of 1012442331 is 1332442101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012442331 - 2²¹ = 1010345179 is a prime.

It is a super-2 number, since 2×1012442331² = 2050078947201427122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012442298 and 1012442307.

It is not an unprimeable number, because it can be changed into a prime (1012442351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128095 + ... + 135768.

It is an arithmetic number, because the mean of its divisors is an integer number (168872960).

Almost surely, 2^1012442331 is an apocalyptic number.

1012442331 is a deficient number, since it is larger than the sum of its proper divisors (338541349).

1012442331 is a wasteful number, since it uses less digits than its factorization.

1012442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265145.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1012442331 is about 31818.8989595806. The cubic root of 1012442331 is about 1004.1303603026.

Adding to 1012442331 its reverse (1332442101), we get a palindrome (2344884432).

The spelling of 1012442331 in words is "one billion, twelve million, four hundred forty-two thousand, three hundred thirty-one".