30996141 has 16 divisors (see below), whose sum is σ = 45258240. Its totient is φ = 18713520.

The previous prime is 30996139. The next prime is 30996179. The reversal of 30996141 is 14169903.

It is not a de Polignac number, because 30996141 - 2¹ = 30996139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996841) 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, 7680 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (2828640).

Almost surely, 2^30996141 is an apocalyptic number.

It is an amenable number.

30996141 is a deficient number, since it is larger than the sum of its proper divisors (14262099).

30996141 is a wasteful number, since it uses less digits than its factorization.

30996141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 30996141 is about 5567.4178036142. The cubic root of 30996141 is about 314.1250296574.

The spelling of 30996141 in words is "thirty million, nine hundred ninety-six thousand, one hundred forty-one".