101020319947 has 2 divisors, whose sum is σ = 101020319948. Its totient is φ = 101020319946.

The previous prime is 101020319941. The next prime is 101020320013. The reversal of 101020319947 is 749913020101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101020319947 - 2³⁵ = 66660581579 is a prime.

It is not a weakly prime, because it can be changed into another prime (101020319941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510159973 + 50510159974.

It is an arithmetic number, because the mean of its divisors is an integer number (50510159974).

Almost surely, 2^101020319947 is an apocalyptic number.

101020319947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020319947 is an equidigital number, since it uses as much as digits as its factorization.

101020319947 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 37.

The spelling of 101020319947 in words is "one hundred one billion, twenty million, three hundred nineteen thousand, nine hundred forty-seven".