1102971131 has 2 divisors, whose sum is σ = 1102971132. Its totient is φ = 1102971130.

The previous prime is 1102971127. The next prime is 1102971173. The reversal of 1102971131 is 1311792011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102971131 - 2² = 1102971127 is a prime.

It is a super-2 number, since 2×1102971131² = 2433090631638838322, 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 1102971131.

It is not a weakly prime, because it can be changed into another prime (1102971031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551485565 + 551485566.

It is an arithmetic number, because the mean of its divisors is an integer number (551485566).

Almost surely, 2^1102971131 is an apocalyptic number.

1102971131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102971131 is an equidigital number, since it uses as much as digits as its factorization.

1102971131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 1102971131 is about 33211.0091837029. The cubic root of 1102971131 is about 1033.2086858204.

The spelling of 1102971131 in words is "one billion, one hundred two million, nine hundred seventy-one thousand, one hundred thirty-one".