20931007301 has 2 divisors, whose sum is σ = 20931007302. Its totient is φ = 20931007300.

The previous prime is 20931007283. The next prime is 20931007303. The reversal of 20931007301 is 10370013902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14113202401 + 6817804900 = 118799^2 + 82570^2 .

It is a cyclic number.

It is not a de Polignac number, because 20931007301 - 2²² = 20926812997 is a prime.

Together with 20931007303, 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 (20931007303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10465503650 + 10465503651.

It is an arithmetic number, because the mean of its divisors is an integer number (10465503651).

Almost surely, 2^20931007301 is an apocalyptic number.

It is an amenable number.

20931007301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20931007301 is an equidigital number, since it uses as much as digits as its factorization.

20931007301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The spelling of 20931007301 in words is "twenty billion, nine hundred thirty-one million, seven thousand, three hundred one".