34320420031 has 4 divisors (see below), whose sum is σ = 34360189632. Its totient is φ = 34280650432.

The previous prime is 34320420007. The next prime is 34320420047. The reversal of 34320420031 is 13002402343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34320420031 - 2²³ = 34312031423 is a prime.

It is a super-2 number, since 2×34320420031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34320419984 and 34320420011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320420731) 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, 19883506 + ... + 19885231.

It is an arithmetic number, because the mean of its divisors is an integer number (8590047408).

Almost surely, 2^34320420031 is an apocalyptic number.

34320420031 is a deficient number, since it is larger than the sum of its proper divisors (39769601).

34320420031 is an equidigital number, since it uses as much as digits as its factorization.

34320420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39769600.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 34320420031 its reverse (13002402343), we get a palindrome (47322822374).

The spelling of 34320420031 in words is "thirty-four billion, three hundred twenty million, four hundred twenty thousand, thirty-one".