31233202010987 has 2 divisors, whose sum is σ = 31233202010988. Its totient is φ = 31233202010986.

The previous prime is 31233202010957. The next prime is 31233202011001. The reversal of 31233202010987 is 78901020233213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31233202010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (31233202010957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616601005493 + 15616601005494.

It is an arithmetic number, because the mean of its divisors is an integer number (15616601005494).

Almost surely, 2^{31233202010987} is an apocalyptic number.

31233202010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

31233202010987 is an equidigital number, since it uses as much as digits as its factorization.

31233202010987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 31233202010987 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred two million, ten thousand, nine hundred eighty-seven".