31400412202 has 8 divisors (see below), whose sum is σ = 47517438276. Its totient is φ = 15561266112.

The previous prime is 31400412181. The next prime is 31400412203. The reversal of 31400412202 is 20221400413.

It can be written as a sum of positive squares in 2 ways, for example, as 31250814841 + 149597361 = 176779^2 + 12231^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 31400412202.

It is not an unprimeable number, because it can be changed into a prime (31400412203) 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 3 ways as a sum of consecutive naturals, for example, 69469713 + ... + 69470164.

Almost surely, 2^31400412202 is an apocalyptic number.

31400412202 is a deficient number, since it is larger than the sum of its proper divisors (16117026074).

31400412202 is a wasteful number, since it uses less digits than its factorization.

31400412202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138939992.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31400412202 its reverse (20221400413), we get a palindrome (51621812615).

The spelling of 31400412202 in words is "thirty-one billion, four hundred million, four hundred twelve thousand, two hundred two".