31423326611 has 2 divisors, whose sum is σ = 31423326612. Its totient is φ = 31423326610.

The previous prime is 31423326601. The next prime is 31423326629. The reversal of 31423326611 is 11662332413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31423326611 - 2¹⁰ = 31423325587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31423326601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711663305 + 15711663306.

It is an arithmetic number, because the mean of its divisors is an integer number (15711663306).

Almost surely, 2^31423326611 is an apocalyptic number.

31423326611 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423326611 is an equidigital number, since it uses as much as digits as its factorization.

31423326611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The spelling of 31423326611 in words is "thirty-one billion, four hundred twenty-three million, three hundred twenty-six thousand, six hundred eleven".