30968361061 has 4 divisors (see below), whose sum is σ = 33783666624. Its totient is φ = 28153055500.

The previous prime is 30968361043. The next prime is 30968361077. The reversal of 30968361061 is 16016386903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30968361061 - 2²⁵ = 30934806629 is a prime.

It is a super-2 number, since 2×30968361061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30968360999 and 30968361017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968367061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407652765 + ... + 1407652786.

It is an arithmetic number, because the mean of its divisors is an integer number (8445916656).

Almost surely, 2^30968361061 is an apocalyptic number.

It is an amenable number.

30968361061 is a deficient number, since it is larger than the sum of its proper divisors (2815305563).

30968361061 is a wasteful number, since it uses less digits than its factorization.

30968361061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815305562.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 30968361061 in words is "thirty billion, nine hundred sixty-eight million, three hundred sixty-one thousand, sixty-one".