402311322230 has 16 divisors (see below), whose sum is σ = 736434285840. Its totient is φ = 158196994272.

The previous prime is 402311322211. The next prime is 402311322251. The reversal of 402311322230 is 32223113204.

It is a junction number, because it is equal to n+sod(n) for n = 402311322196 and 402311322205.

It is a congruent number.

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, 340941209 + ... + 340942388.

It is an arithmetic number, because the mean of its divisors is an integer number (46027142865).

Almost surely, 2^402311322230 is an apocalyptic number.

402311322230 is a deficient number, since it is larger than the sum of its proper divisors (334122963610).

402311322230 is a wasteful number, since it uses less digits than its factorization.

402311322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681883663.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 402311322230 its reverse (32223113204), we get a palindrome (434534435434).

The spelling of 402311322230 in words is "four hundred two billion, three hundred eleven million, three hundred twenty-two thousand, two hundred thirty".