401134464331 has 2 divisors, whose sum is σ = 401134464332. Its totient is φ = 401134464330.

The previous prime is 401134464329. The next prime is 401134464377. The reversal of 401134464331 is 133464431104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401134464331 - 2¹ = 401134464329 is a prime.

It is a super-2 number, since 2×401134464331² (a number of 24 digits) contains 22 as substring.

Together with 401134464329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (401134464431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200567232165 + 200567232166.

It is an arithmetic number, because the mean of its divisors is an integer number (200567232166).

Almost surely, 2^401134464331 is an apocalyptic number.

401134464331 is a deficient number, since it is larger than the sum of its proper divisors (1).

401134464331 is an equidigital number, since it uses as much as digits as its factorization.

401134464331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 401134464331 its reverse (133464431104), we get a palindrome (534598895435).

The spelling of 401134464331 in words is "four hundred one billion, one hundred thirty-four million, four hundred sixty-four thousand, three hundred thirty-one".