31194669941 has 2 divisors, whose sum is σ = 31194669942. Its totient is φ = 31194669940.

The previous prime is 31194669853. The next prime is 31194669943. The reversal of 31194669941 is 14996649113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31192858225 + 1811716 = 176615^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 31194669941 - 2¹⁰ = 31194668917 is a prime.

Together with 31194669943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31194669943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15597334970 + 15597334971.

It is an arithmetic number, because the mean of its divisors is an integer number (15597334971).

Almost surely, 2^31194669941 is an apocalyptic number.

It is an amenable number.

31194669941 is a deficient number, since it is larger than the sum of its proper divisors (1).

31194669941 is an equidigital number, since it uses as much as digits as its factorization.

31194669941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 53.

The spelling of 31194669941 in words is "thirty-one billion, one hundred ninety-four million, six hundred sixty-nine thousand, nine hundred forty-one".