402132212331 has 16 divisors (see below), whose sum is σ = 546687774720. Its totient is φ = 262856125280.

The previous prime is 402132212297. The next prime is 402132212387. The reversal of 402132212331 is 133212231204.

It is a cyclic number.

It is not a de Polignac number, because 402132212331 - 2¹⁰ = 402132211307 is a prime.

It is a super-2 number, since 2×402132212331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402132213331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2898180 + ... + 3033761.

It is an arithmetic number, because the mean of its divisors is an integer number (34167985920).

Almost surely, 2^402132212331 is an apocalyptic number.

402132212331 is a deficient number, since it is larger than the sum of its proper divisors (144555562389).

402132212331 is a wasteful number, since it uses less digits than its factorization.

402132212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932386.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 402132212331 its reverse (133212231204), we get a palindrome (535344443535).

The spelling of 402132212331 in words is "four hundred two billion, one hundred thirty-two million, two hundred twelve thousand, three hundred thirty-one".