31313850941 has 2 divisors, whose sum is σ = 31313850942. Its totient is φ = 31313850940.

The previous prime is 31313850899. The next prime is 31313851007. The reversal of 31313850941 is 14905831313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28416182041 + 2897668900 = 168571^2 + 53830^2 .

It is a cyclic number.

It is not a de Polignac number, because 31313850941 - 2¹⁴ = 31313834557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31313850895 and 31313850904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31313850041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656925470 + 15656925471.

It is an arithmetic number, because the mean of its divisors is an integer number (15656925471).

Almost surely, 2^31313850941 is an apocalyptic number.

It is an amenable number.

31313850941 is a deficient number, since it is larger than the sum of its proper divisors (1).

31313850941 is an equidigital number, since it uses as much as digits as its factorization.

31313850941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 31313850941 in words is "thirty-one billion, three hundred thirteen million, eight hundred fifty thousand, nine hundred forty-one".