202103310402 has 48 divisors (see below), whose sum is σ = 500847360000. Its totient is φ = 57697526016.

The previous prime is 202103310397. The next prime is 202103310433. The reversal of 202103310402 is 204013301202.

202103310402 is a `hidden beast` number, since 20 + 210 + 3 + 31 + 0 + 402 = 666.

It is a super-2 number, since 2×202103310402² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484738 + ... + 799485.

It is an arithmetic number, because the mean of its divisors is an integer number (10434320000).

Almost surely, 2^202103310402 is an apocalyptic number.

202103310402 is an abundant number, since it is smaller than the sum of its proper divisors (298744049598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202103310402 is a wasteful number, since it uses less digits than its factorization.

202103310402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285487 (or 1285484 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202103310402 its reverse (204013301202), we get a palindrome (406116611604).

The spelling of 202103310402 in words is "two hundred two billion, one hundred three million, three hundred ten thousand, four hundred two".