1172080331 has 2 divisors, whose sum is σ = 1172080332. Its totient is φ = 1172080330.

The previous prime is 1172080307. The next prime is 1172080337. The reversal of 1172080331 is 1330802711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1172080331 - 2¹⁴ = 1172063947 is a prime.

It is a super-2 number, since 2×1172080331² = 2747544604634139122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1172080331.

It is not a weakly prime, because it can be changed into another prime (1172080337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586040165 + 586040166.

It is an arithmetic number, because the mean of its divisors is an integer number (586040166).

Almost surely, 2^1172080331 is an apocalyptic number.

1172080331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172080331 is an equidigital number, since it uses as much as digits as its factorization.

1172080331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1172080331 is about 34235.6587639262. The cubic root of 1172080331 is about 1054.3524041636.

The spelling of 1172080331 in words is "one billion, one hundred seventy-two million, eighty thousand, three hundred thirty-one".