31103241943 has 2 divisors, whose sum is σ = 31103241944. Its totient is φ = 31103241942.

The previous prime is 31103241857. The next prime is 31103242013. The reversal of 31103241943 is 34914230113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31103241943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103242943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551620971 + 15551620972.

It is an arithmetic number, because the mean of its divisors is an integer number (15551620972).

Almost surely, 2^31103241943 is an apocalyptic number.

31103241943 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103241943 is an equidigital number, since it uses as much as digits as its factorization.

31103241943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 31103241943 in words is "thirty-one billion, one hundred three million, two hundred forty-one thousand, nine hundred forty-three".