20312301967 has 2 divisors, whose sum is σ = 20312301968. Its totient is φ = 20312301966.

The previous prime is 20312301953. The next prime is 20312301979. The reversal of 20312301967 is 76910321302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312301967 is a prime.

It is a super-3 number, since 3×20312301967³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312301917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156150983 + 10156150984.

It is an arithmetic number, because the mean of its divisors is an integer number (10156150984).

Almost surely, 2^20312301967 is an apocalyptic number.

20312301967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312301967 is an equidigital number, since it uses as much as digits as its factorization.

20312301967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 20312301967 in words is "twenty billion, three hundred twelve million, three hundred one thousand, nine hundred sixty-seven".