2131032329 has 4 divisors (see below), whose sum is σ = 2131132740. Its totient is φ = 2130931920.

The previous prime is 2131032307. The next prime is 2131032373. The reversal of 2131032329 is 9232301312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 616032400 + 1514999929 = 24820^2 + 38923^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131032329 - 2¹² = 2131028233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131032298 and 2131032307.

It is not an unprimeable number, because it can be changed into a prime (2131032389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502 + ... + 65439.

It is an arithmetic number, because the mean of its divisors is an integer number (532783185).

Almost surely, 2^2131032329 is an apocalyptic number.

It is an amenable number.

2131032329 is a deficient number, since it is larger than the sum of its proper divisors (100411).

2131032329 is an equidigital number, since it uses as much as digits as its factorization.

2131032329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100410.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 2131032329 is about 46163.1057122460. The cubic root of 2131032329 is about 1286.8561806260.

The spelling of 2131032329 in words is "two billion, one hundred thirty-one million, thirty-two thousand, three hundred twenty-nine".