31202300442 has 32 divisors (see below), whose sum is σ = 64902720960. Its totient is φ = 9992344320.

The previous prime is 31202300417. The next prime is 31202300443. The reversal of 31202300442 is 24400320213.

It is not an unprimeable number, because it can be changed into a prime (31202300443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 975567 + ... + 1007042.

It is an arithmetic number, because the mean of its divisors is an integer number (2028210030).

Almost surely, 2^31202300442 is an apocalyptic number.

31202300442 is an abundant number, since it is smaller than the sum of its proper divisors (33700420518).

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

31202300442 is a wasteful number, since it uses less digits than its factorization.

31202300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982718.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31202300442 its reverse (24400320213), we get a palindrome (55602620655).

The spelling of 31202300442 in words is "thirty-one billion, two hundred two million, three hundred thousand, four hundred forty-two".