31424000202 has 24 divisors (see below), whose sum is σ = 77811810336. Its totient is φ = 8978285736.

The previous prime is 31424000141. The next prime is 31424000227. The reversal of 31424000202 is 20200042413.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124698288 + ... + 124698539.

It is an arithmetic number, because the mean of its divisors is an integer number (3242158764).

Almost surely, 2^31424000202 is an apocalyptic number.

31424000202 is an abundant number, since it is smaller than the sum of its proper divisors (46387810134).

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

31424000202 is a wasteful number, since it uses less digits than its factorization.

31424000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249396842 (or 249396839 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 31424000202 its reverse (20200042413), we get a palindrome (51624042615).

The spelling of 31424000202 in words is "thirty-one billion, four hundred twenty-four million, two hundred two", and thus it is an aban number.