30968953278 has 32 divisors (see below), whose sum is σ = 65974051584. Its totient is φ = 9657566592.

The previous prime is 30968953273. The next prime is 30968953333. The reversal of 30968953278 is 87235986903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968953273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892000 + ... + 926067.

It is an arithmetic number, because the mean of its divisors is an integer number (2061689112).

Almost surely, 2^30968953278 is an apocalyptic number.

30968953278 is an abundant number, since it is smaller than the sum of its proper divisors (35005098306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30968953278 is a wasteful number, since it uses less digits than its factorization.

30968953278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818256.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 30968953278 in words is "thirty billion, nine hundred sixty-eight million, nine hundred fifty-three thousand, two hundred seventy-eight".