1118802331 has 2 divisors, whose sum is σ = 1118802332. Its totient is φ = 1118802330.

The previous prime is 1118802329. The next prime is 1118802341. The reversal of 1118802331 is 1332088111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118802331 - 2¹ = 1118802329 is a prime.

It is a super-2 number, since 2×1118802331² = 2503437311702067122, which contains 22 as substring.

Together with 1118802329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1118802331.

It is not a weakly prime, because it can be changed into another prime (1118802341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559401165 + 559401166.

It is an arithmetic number, because the mean of its divisors is an integer number (559401166).

Almost surely, 2^1118802331 is an apocalyptic number.

1118802331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118802331 is an equidigital number, since it uses as much as digits as its factorization.

1118802331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1118802331 is about 33448.5026720181. The cubic root of 1118802331 is about 1038.1285163670.

The spelling of 1118802331 in words is "one billion, one hundred eighteen million, eight hundred two thousand, three hundred thirty-one".