131018963 has 2 divisors, whose sum is σ = 131018964. Its totient is φ = 131018962.

The previous prime is 131018941. The next prime is 131019029. The reversal of 131018963 is 369810131.

It is a weak prime.

It is an emirp because it is prime and its reverse (369810131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131018963 - 2⁸ = 131018707 is a prime.

It is not a weakly prime, because it can be changed into another prime (131018863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65509481 + 65509482.

It is an arithmetic number, because the mean of its divisors is an integer number (65509482).

Almost surely, 2^131018963 is an apocalyptic number.

131018963 is a deficient number, since it is larger than the sum of its proper divisors (1).

131018963 is an equidigital number, since it uses as much as digits as its factorization.

131018963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 131018963 is about 11446.3515147841. The cubic root of 131018963 is about 507.8998125837.

The spelling of 131018963 in words is "one hundred thirty-one million, eighteen thousand, nine hundred sixty-three".