1122031331 has 8 divisors (see below), whose sum is σ = 1190322864. Its totient is φ = 1053994240.

The previous prime is 1122031319. The next prime is 1122031343. The reversal of 1122031331 is 1331302211.

It is an interprime number because it is at equal distance from previous prime (1122031319) and next prime (1122031343).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122031331 is a prime.

It is a super-2 number, since 2×1122031331² = 2517908615491263122, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1122031381) 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, 54485 + ... + 72198.

It is an arithmetic number, because the mean of its divisors is an integer number (148790358).

Almost surely, 2^1122031331 is an apocalyptic number.

1122031331 is a deficient number, since it is larger than the sum of its proper divisors (68291533).

1122031331 is a wasteful number, since it uses less digits than its factorization.

1122031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127221.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1122031331 is about 33496.7361245838. The cubic root of 1122031331 is about 1039.1262789370.

Adding to 1122031331 its reverse (1331302211), we get a palindrome (2453333542).

The spelling of 1122031331 in words is "one billion, one hundred twenty-two million, thirty-one thousand, three hundred thirty-one".