31487304050 has 12 divisors (see below), whose sum is σ = 58566385626. Its totient is φ = 12594921600.

The previous prime is 31487304031. The next prime is 31487304053. The reversal of 31487304050 is 5040378413.

It can be written as a sum of positive squares in 3 ways, for example, as 17216851369 + 14270452681 = 131213^2 + 119459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31487304050.

It is not an unprimeable number, because it can be changed into a prime (31487304053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314872991 + ... + 314873090.

Almost surely, 2^31487304050 is an apocalyptic number.

31487304050 is a deficient number, since it is larger than the sum of its proper divisors (27079081576).

31487304050 is a wasteful number, since it uses less digits than its factorization.

31487304050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629746093 (or 629746088 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 31487304050 in words is "thirty-one billion, four hundred eighty-seven million, three hundred four thousand, fifty".