402433321243331 has 4 divisors (see below), whose sum is σ = 459923795706672. Its totient is φ = 344942846779992.

The previous prime is 402433321243309. The next prime is 402433321243351. The reversal of 402433321243331 is 133342123334204.

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

It is a cyclic number.

It is not a de Polignac number, because 402433321243331 - 2⁶ = 402433321243267 is a prime.

It is a super-2 number, since 2×402433321243331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402433321243351) 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, 28745237231660 + ... + 28745237231673.

It is an arithmetic number, because the mean of its divisors is an integer number (114980948926668).

Almost surely, 2^{402433321243331} is an apocalyptic number.

402433321243331 is a deficient number, since it is larger than the sum of its proper divisors (57490474463341).

402433321243331 is an equidigital number, since it uses as much as digits as its factorization.

402433321243331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57490474463340.

The product of its (nonzero) digits is 373248, while the sum is 38.

Adding to 402433321243331 its reverse (133342123334204), we get a palindrome (535775444577535).

The spelling of 402433321243331 in words is "four hundred two trillion, four hundred thirty-three billion, three hundred twenty-one million, two hundred forty-three thousand, three hundred thirty-one".