402343031002 has 8 divisors (see below), whose sum is σ = 658379505312. Its totient is φ = 182883195900.

The previous prime is 402343030997. The next prime is 402343031017. The reversal of 402343031002 is 200130343204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 18288319591 = 402343031002 / (4 + 0 + 2 + 3 + 4 + 3 + 0 + 3 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9144159774 + ... + 9144159817.

It is an arithmetic number, because the mean of its divisors is an integer number (82297438164).

Almost surely, 2^402343031002 is an apocalyptic number.

402343031002 is a deficient number, since it is larger than the sum of its proper divisors (256036474310).

402343031002 is a wasteful number, since it uses less digits than its factorization.

402343031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18288319604.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 402343031002 its reverse (200130343204), we get a palindrome (602473374206).

The spelling of 402343031002 in words is "four hundred two billion, three hundred forty-three million, thirty-one thousand, two".