2231400022391 has 2 divisors, whose sum is σ = 2231400022392. Its totient is φ = 2231400022390.

The previous prime is 2231400022351. The next prime is 2231400022409. The reversal of 2231400022391 is 1932200041322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231400022391 - 2³⁴ = 2214220153207 is a prime.

It is a super-3 number, since 3×2231400022391³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231400022351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115700011195 + 1115700011196.

It is an arithmetic number, because the mean of its divisors is an integer number (1115700011196).

Almost surely, 2^{2231400022391} is an apocalyptic number.

2231400022391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231400022391 is an equidigital number, since it uses as much as digits as its factorization.

2231400022391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 2231400022391 in words is "two trillion, two hundred thirty-one billion, four hundred million, twenty-two thousand, three hundred ninety-one".