31553352119 has 2 divisors, whose sum is σ = 31553352120. Its totient is φ = 31553352118.

The previous prime is 31553352113. The next prime is 31553352133. The reversal of 31553352119 is 91125335513.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31553352119 is a prime.

It is a super-2 number, since 2×31553352119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31553352113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15776676059 + 15776676060.

It is an arithmetic number, because the mean of its divisors is an integer number (15776676060).

Almost surely, 2^31553352119 is an apocalyptic number.

31553352119 is a deficient number, since it is larger than the sum of its proper divisors (1).

31553352119 is an equidigital number, since it uses as much as digits as its factorization.

31553352119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 38.

The spelling of 31553352119 in words is "thirty-one billion, five hundred fifty-three million, three hundred fifty-two thousand, one hundred nineteen".