1011412331 has 16 divisors (see below), whose sum is σ = 1097791200. Its totient is φ = 928101888.

The previous prime is 1011412319. The next prime is 1011412343. The reversal of 1011412331 is 1332141101.

It is an interprime number because it is at equal distance from previous prime (1011412319) and next prime (1011412343).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011412331 is a prime.

It is a super-2 number, since 2×1011412331² = 2045909806597707122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011412301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605165 + ... + 606833.

It is an arithmetic number, because the mean of its divisors is an integer number (68611950).

Almost surely, 2^1011412331 is an apocalyptic number.

1011412331 is a deficient number, since it is larger than the sum of its proper divisors (86378869).

1011412331 is a wasteful number, since it uses less digits than its factorization.

1011412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1011412331 is about 31802.7094914883. The cubic root of 1011412331 is about 1003.7897301361.

Adding to 1011412331 its reverse (1332141101), we get a palindrome (2343553432).

The spelling of 1011412331 in words is "one billion, eleven million, four hundred twelve thousand, three hundred thirty-one".