234042130291 has 4 divisors (see below), whose sum is σ = 234087963112. Its totient is φ = 233996297472.

The previous prime is 234042130243. The next prime is 234042130319. The reversal of 234042130291 is 192031240432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234042130291 is a prime.

It is a super-2 number, since 2×234042130291² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234042130391) 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, 22908750 + ... + 22918963.

It is an arithmetic number, because the mean of its divisors is an integer number (58521990778).

Almost surely, 2^234042130291 is an apocalyptic number.

234042130291 is a deficient number, since it is larger than the sum of its proper divisors (45832821).

234042130291 is an equidigital number, since it uses as much as digits as its factorization.

234042130291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45832820.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 234042130291 in words is "two hundred thirty-four billion, forty-two million, one hundred thirty thousand, two hundred ninety-one".