1011214331 has 4 divisors (see below), whose sum is σ = 1011330552. Its totient is φ = 1011098112.

The previous prime is 1011214301. The next prime is 1011214361. The reversal of 1011214331 is 1334121101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1011214301) and next prime (1011214361).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011214331 is a prime.

It is a super-2 number, since 2×1011214331² = 2045108846439555122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011214301) 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, 43901 + ... + 62846.

It is an arithmetic number, because the mean of its divisors is an integer number (252832638).

Almost surely, 2^1011214331 is an apocalyptic number.

1011214331 is a deficient number, since it is larger than the sum of its proper divisors (116221).

1011214331 is an equidigital number, since it uses as much as digits as its factorization.

1011214331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116220.

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

The square root of 1011214331 is about 31799.5963968098. The cubic root of 1011214331 is about 1003.7242232762.

Adding to 1011214331 its reverse (1334121101), we get a palindrome (2345335432).

The spelling of 1011214331 in words is "one billion, eleven million, two hundred fourteen thousand, three hundred thirty-one".