30131169 has 16 divisors (see below), whose sum is σ = 42604800. Its totient is φ = 18888336.

The previous prime is 30131159. The next prime is 30131201. The reversal of 30131169 is 96113103.

It is not a de Polignac number, because 30131169 - 2⁵ = 30131137 is a prime.

It is a super-2 number, since 2×30131169² = 1815774690613122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30131149) 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, 6022 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (2662800).

Almost surely, 2^30131169 is an apocalyptic number.

It is an amenable number.

30131169 is a deficient number, since it is larger than the sum of its proper divisors (12473631).

30131169 is a wasteful number, since it uses less digits than its factorization.

30131169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 30131169 is about 5489.1865517579. The cubic root of 30131169 is about 311.1754506058.

The spelling of 30131169 in words is "thirty million, one hundred thirty-one thousand, one hundred sixty-nine".