30996956422 has 4 divisors (see below), whose sum is σ = 46495434636. Its totient is φ = 15498478210.

The previous prime is 30996956399. The next prime is 30996956429. The reversal of 30996956422 is 22465969903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22465969903 = 13 ⋅1728151531.

It is a super-2 number, since 2×30996956422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996956429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7749239104 + ... + 7749239107.

It is an arithmetic number, because the mean of its divisors is an integer number (11623858659).

Almost surely, 2^30996956422 is an apocalyptic number.

30996956422 is a deficient number, since it is larger than the sum of its proper divisors (15498478214).

30996956422 is a wasteful number, since it uses less digits than its factorization.

30996956422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498478213.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 30996956422 in words is "thirty billion, nine hundred ninety-six million, nine hundred fifty-six thousand, four hundred twenty-two".