30261560101 has 2 divisors, whose sum is σ = 30261560102. Its totient is φ = 30261560100.

The previous prime is 30261560051. The next prime is 30261560171. The reversal of 30261560101 is 10106516203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15964575201 + 14296984900 = 126351^2 + 119570^2 .

It is a cyclic number.

It is not a de Polignac number, because 30261560101 - 2⁷ = 30261559973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30261560171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15130780050 + 15130780051.

It is an arithmetic number, because the mean of its divisors is an integer number (15130780051).

Almost surely, 2^30261560101 is an apocalyptic number.

It is an amenable number.

30261560101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30261560101 is an equidigital number, since it uses as much as digits as its factorization.

30261560101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 30261560101 in words is "thirty billion, two hundred sixty-one million, five hundred sixty thousand, one hundred one".