234131940397 has 8 divisors (see below), whose sum is σ = 240473711736. Its totient is φ = 227790899712.

The previous prime is 234131940349. The next prime is 234131940403. The reversal of 234131940397 is 793049131432.

234131940397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22358024676 + 211773915721 = 149526^2 + 460189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234131940397 - 2¹⁵ = 234131907629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234131947397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501093 + ... + 848149.

It is an arithmetic number, because the mean of its divisors is an integer number (30059213967).

Almost surely, 2^234131940397 is an apocalyptic number.

It is an amenable number.

234131940397 is a deficient number, since it is larger than the sum of its proper divisors (6341771339).

234131940397 is a wasteful number, since it uses less digits than its factorization.

234131940397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365327.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 234131940397 in words is "two hundred thirty-four billion, one hundred thirty-one million, nine hundred forty thousand, three hundred ninety-seven".