31663093703 has 2 divisors, whose sum is σ = 31663093704. Its totient is φ = 31663093702.

The previous prime is 31663093607. The next prime is 31663093711. The reversal of 31663093703 is 30739036613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31663093703 - 2¹² = 31663089607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31663090703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15831546851 + 15831546852.

It is an arithmetic number, because the mean of its divisors is an integer number (15831546852).

Almost surely, 2^31663093703 is an apocalyptic number.

31663093703 is a deficient number, since it is larger than the sum of its proper divisors (1).

31663093703 is an equidigital number, since it uses as much as digits as its factorization.

31663093703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 41.

The spelling of 31663093703 in words is "thirty-one billion, six hundred sixty-three million, ninety-three thousand, seven hundred three".