34032131021 has 4 divisors (see below), whose sum is σ = 38893864032. Its totient is φ = 29170398012.

The previous prime is 34032131009. The next prime is 34032131041. The reversal of 34032131021 is 12013123043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-34032131021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34032130984 and 34032131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34032131041) 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, 2430866495 + ... + 2430866508.

It is an arithmetic number, because the mean of its divisors is an integer number (9723466008).

Almost surely, 2^34032131021 is an apocalyptic number.

It is an amenable number.

34032131021 is a deficient number, since it is larger than the sum of its proper divisors (4861733011).

34032131021 is an equidigital number, since it uses as much as digits as its factorization.

34032131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861733010.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 34032131021 its reverse (12013123043), we get a palindrome (46045254064).

The spelling of 34032131021 in words is "thirty-four billion, thirty-two million, one hundred thirty-one thousand, twenty-one".