31103220202007 has 2 divisors, whose sum is σ = 31103220202008. Its totient is φ = 31103220202006.

The previous prime is 31103220202003. The next prime is 31103220202049. The reversal of 31103220202007 is 70020202230113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103220202007 - 2² = 31103220202003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103220202003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551610101003 + 15551610101004.

It is an arithmetic number, because the mean of its divisors is an integer number (15551610101004).

Almost surely, 2^{31103220202007} is an apocalyptic number.

31103220202007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103220202007 is an equidigital number, since it uses as much as digits as its factorization.

31103220202007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The spelling of 31103220202007 in words is "thirty-one trillion, one hundred three billion, two hundred twenty million, two hundred two thousand, seven".