31103420231339 has 2 divisors, whose sum is σ = 31103420231340. Its totient is φ = 31103420231338.

The previous prime is 31103420231309. The next prime is 31103420231479. The reversal of 31103420231339 is 93313202430113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103420231339 - 2³² = 31099125264043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31103420231299 and 31103420231308.

It is not a weakly prime, because it can be changed into another prime (31103420231309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551710115669 + 15551710115670.

It is an arithmetic number, because the mean of its divisors is an integer number (15551710115670).

Almost surely, 2^{31103420231339} is an apocalyptic number.

31103420231339 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103420231339 is an equidigital number, since it uses as much as digits as its factorization.

31103420231339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 31103420231339 in words is "thirty-one trillion, one hundred three billion, four hundred twenty million, two hundred thirty-one thousand, three hundred thirty-nine".