20314120831 has 2 divisors, whose sum is σ = 20314120832. Its totient is φ = 20314120830.

The previous prime is 20314120823. The next prime is 20314120837. The reversal of 20314120831 is 13802141302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20314120831 - 2³ = 20314120823 is a prime.

It is a super-2 number, since 2×20314120831² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20314120796 and 20314120805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20314120837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157060415 + 10157060416.

It is an arithmetic number, because the mean of its divisors is an integer number (10157060416).

Almost surely, 2^20314120831 is an apocalyptic number.

20314120831 is a deficient number, since it is larger than the sum of its proper divisors (1).

20314120831 is an equidigital number, since it uses as much as digits as its factorization.

20314120831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20314120831 in words is "twenty billion, three hundred fourteen million, one hundred twenty thousand, eight hundred thirty-one".