402412324331 has 4 divisors (see below), whose sum is σ = 407260665672. Its totient is φ = 397563982992.

The previous prime is 402412324319. The next prime is 402412324343. The reversal of 402412324331 is 133423214204.

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

It is an interprime number because it is at equal distance from previous prime (402412324319) and next prime (402412324343).

It is a cyclic number.

It is not a de Polignac number, because 402412324331 - 2¹⁸ = 402412062187 is a prime.

It is a super-2 number, since 2×402412324331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402412324294 and 402412324303.

It is not an unprimeable number, because it can be changed into a prime (402412326331) 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, 2424170546 + ... + 2424170711.

It is an arithmetic number, because the mean of its divisors is an integer number (101815166418).

Almost surely, 2^402412324331 is an apocalyptic number.

402412324331 is a deficient number, since it is larger than the sum of its proper divisors (4848341341).

402412324331 is an equidigital number, since it uses as much as digits as its factorization.

402412324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848341340.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 402412324331 its reverse (133423214204), we get a palindrome (535835538535).

The spelling of 402412324331 in words is "four hundred two billion, four hundred twelve million, three hundred twenty-four thousand, three hundred thirty-one".