321402413032 has 32 divisors (see below), whose sum is σ = 638192406600. Its totient is φ = 151221151744.

The previous prime is 321402413021. The next prime is 321402413051. The reversal of 321402413032 is 230314204123.

It can be written as a sum of positive squares in 4 ways, for example, as 251777147076 + 69625265956 = 501774^2 + 263866^2 .

It is a super-2 number, since 2×321402413032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321402412988 and 321402413006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562548 + ... + 979420.

Almost surely, 2^321402413032 is an apocalyptic number.

It is an amenable number.

321402413032 is a deficient number, since it is larger than the sum of its proper divisors (316789993568).

321402413032 is a wasteful number, since it uses less digits than its factorization.

321402413032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422565 (or 422561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321402413032 its reverse (230314204123), we get a palindrome (551716617155).

The spelling of 321402413032 in words is "three hundred twenty-one billion, four hundred two million, four hundred thirteen thousand, thirty-two".