213131132030 has 64 divisors (see below), whose sum is σ = 392716615680. Its totient is φ = 83259388800.

The previous prime is 213131132023. The next prime is 213131132033. The reversal of 213131132030 is 30231131312.

213131132030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213131131993 and 213131132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131132033) 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, 74028131 + ... + 74031009.

It is an arithmetic number, because the mean of its divisors is an integer number (6136197120).

Almost surely, 2^213131132030 is an apocalyptic number.

213131132030 is a deficient number, since it is larger than the sum of its proper divisors (179585483650).

213131132030 is a wasteful number, since it uses less digits than its factorization.

213131132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213131132030 its reverse (30231131312), we get a palindrome (243362263342).

The spelling of 213131132030 in words is "two hundred thirteen billion, one hundred thirty-one million, one hundred thirty-two thousand, thirty".