290134331 has 2 divisors, whose sum is σ = 290134332. Its totient is φ = 290134330.

The previous prime is 290134319. The next prime is 290134333. The reversal of 290134331 is 133431092.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 290134331 - 2⁶ = 290134267 is a prime.

It is a super-2 number, since 2×290134331² = 168355860049635122, which contains 22 as substring.

Together with 290134333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290134331.

It is not a weakly prime, because it can be changed into another prime (290134333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145067165 + 145067166.

It is an arithmetic number, because the mean of its divisors is an integer number (145067166).

Almost surely, 2^290134331 is an apocalyptic number.

290134331 is a deficient number, since it is larger than the sum of its proper divisors (1).

290134331 is an equidigital number, since it uses as much as digits as its factorization.

290134331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 290134331 is about 17033.3300032613. The cubic root of 290134331 is about 662.0127803047.

The spelling of 290134331 in words is "two hundred ninety million, one hundred thirty-four thousand, three hundred thirty-one".