30996355 has 16 divisors (see below), whose sum is σ = 42414624. Its totient is φ = 21542400.

The previous prime is 30996347. The next prime is 30996367. The reversal of 30996355 is 55369903.

It is not a de Polignac number, because 30996355 - 2³ = 30996347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12921 + ... + 15130.

It is an arithmetic number, because the mean of its divisors is an integer number (2650914).

Almost surely, 2^30996355 is an apocalyptic number.

30996355 is a deficient number, since it is larger than the sum of its proper divisors (11418269).

30996355 is a wasteful number, since it uses less digits than its factorization.

30996355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28086.

The product of its (nonzero) digits is 109350, while the sum is 40.

The square root of 30996355 is about 5567.4370225446. The cubic root of 30996355 is about 314.1257525711.

The spelling of 30996355 in words is "thirty million, nine hundred ninety-six thousand, three hundred fifty-five".