34511231921 has 2 divisors, whose sum is σ = 34511231922. Its totient is φ = 34511231920.

The previous prime is 34511231899. The next prime is 34511231933. The reversal of 34511231921 is 12913211543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28323207025 + 6188024896 = 168295^2 + 78664^2 .

It is a cyclic number.

It is not a de Polignac number, because 34511231921 - 2²⁶ = 34444123057 is a prime.

It is a super-3 number, since 3×34511231921³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (34511237921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17255615960 + 17255615961.

It is an arithmetic number, because the mean of its divisors is an integer number (17255615961).

Almost surely, 2^34511231921 is an apocalyptic number.

It is an amenable number.

34511231921 is a deficient number, since it is larger than the sum of its proper divisors (1).

34511231921 is an equidigital number, since it uses as much as digits as its factorization.

34511231921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The spelling of 34511231921 in words is "thirty-four billion, five hundred eleven million, two hundred thirty-one thousand, nine hundred twenty-one".