20311412951 has 2 divisors, whose sum is σ = 20311412952. Its totient is φ = 20311412950.

The previous prime is 20311412917. The next prime is 20311413029. The reversal of 20311412951 is 15921411302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20311412951 - 2¹⁰ = 20311411927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311412911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155706475 + 10155706476.

It is an arithmetic number, because the mean of its divisors is an integer number (10155706476).

Almost surely, 2^20311412951 is an apocalyptic number.

20311412951 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311412951 is an equidigital number, since it uses as much as digits as its factorization.

20311412951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 20311412951 in words is "twenty billion, three hundred eleven million, four hundred twelve thousand, nine hundred fifty-one".