101256406319 has 2 divisors, whose sum is σ = 101256406320. Its totient is φ = 101256406318.

The previous prime is 101256406271. The next prime is 101256406369. The reversal of 101256406319 is 913604652101.

It is a weak prime.

It is an emirp because it is prime and its reverse (913604652101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101256406319 - 2³² = 96961439023 is a prime.

It is a super-2 number, since 2×101256406319² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101256406369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50628203159 + 50628203160.

It is an arithmetic number, because the mean of its divisors is an integer number (50628203160).

Almost surely, 2^101256406319 is an apocalyptic number.

101256406319 is a deficient number, since it is larger than the sum of its proper divisors (1).

101256406319 is an equidigital number, since it uses as much as digits as its factorization.

101256406319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 101256406319 in words is "one hundred one billion, two hundred fifty-six million, four hundred six thousand, three hundred nineteen".