20312115119 has 2 divisors, whose sum is σ = 20312115120. Its totient is φ = 20312115118.

The previous prime is 20312115001. The next prime is 20312115133. The reversal of 20312115119 is 91151121302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312115119 is a prime.

It is a super-2 number, since 2×20312115119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312115139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156057559 + 10156057560.

It is an arithmetic number, because the mean of its divisors is an integer number (10156057560).

Almost surely, 2^20312115119 is an apocalyptic number.

20312115119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312115119 is an equidigital number, since it uses as much as digits as its factorization.

20312115119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 20312115119 in words is "twenty billion, three hundred twelve million, one hundred fifteen thousand, one hundred nineteen".