31421428362 has 32 divisors (see below), whose sum is σ = 69831720000. Its totient is φ = 10472860944.

The previous prime is 31421428361. The next prime is 31421428369. The reversal of 31421428362 is 26382412413.

31421428362 is a `hidden beast` number, since 314 + 2 + 1 + 4 + 283 + 62 = 666.

It is not an unprimeable number, because it can be changed into a prime (31421428361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831973 + ... + 868919.

It is an arithmetic number, because the mean of its divisors is an integer number (2182241250).

Almost surely, 2^31421428362 is an apocalyptic number.

31421428362 is an abundant number, since it is smaller than the sum of its proper divisors (38410291638).

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

31421428362 is a wasteful number, since it uses less digits than its factorization.

31421428362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707 (or 52701 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 31421428362 in words is "thirty-one billion, four hundred twenty-one million, four hundred twenty-eight thousand, three hundred sixty-two".