31116953603 has 2 divisors, whose sum is σ = 31116953604. Its totient is φ = 31116953602.

The previous prime is 31116953579. The next prime is 31116953653. The reversal of 31116953603 is 30635961113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31116953603 - 2¹⁶ = 31116888067 is a prime.

It is not a weakly prime, because it can be changed into another prime (31116953653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15558476801 + 15558476802.

It is an arithmetic number, because the mean of its divisors is an integer number (15558476802).

Almost surely, 2^31116953603 is an apocalyptic number.

31116953603 is a deficient number, since it is larger than the sum of its proper divisors (1).

31116953603 is an equidigital number, since it uses as much as digits as its factorization.

31116953603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 38.

The spelling of 31116953603 in words is "thirty-one billion, one hundred sixteen million, nine hundred fifty-three thousand, six hundred three".