213130432031091 has 32 divisors (see below), whose sum is σ = 306636240299328. Its totient is φ = 131176160194560.

The previous prime is 213130432031003. The next prime is 213130432031117. The reversal of 213130432031091 is 190130234031312.

It is not a de Polignac number, because 213130432031091 - 2²² = 213130427836787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213130432033091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126565 + ... + 20881481.

It is an arithmetic number, because the mean of its divisors is an integer number (9582382509354).

Almost surely, 2^{213130432031091} is an apocalyptic number.

213130432031091 is a deficient number, since it is larger than the sum of its proper divisors (93505808268237).

213130432031091 is a wasteful number, since it uses less digits than its factorization.

213130432031091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17759431.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 213130432031091 in words is "two hundred thirteen trillion, one hundred thirty billion, four hundred thirty-two million, thirty-one thousand, ninety-one".