31318928150 has 12 divisors (see below), whose sum is σ = 58253206452. Its totient is φ = 12527571240.

The previous prime is 31318928099. The next prime is 31318928153. The reversal of 31318928150 is 5182981313.

It is a junction number, because it is equal to n+sod(n) for n = 31318928098 and 31318928107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31318928153) 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 5 ways as a sum of consecutive naturals, for example, 313189232 + ... + 313189331.

It is an arithmetic number, because the mean of its divisors is an integer number (4854433871).

Almost surely, 2^31318928150 is an apocalyptic number.

31318928150 is a deficient number, since it is larger than the sum of its proper divisors (26934278302).

31318928150 is a wasteful number, since it uses less digits than its factorization.

31318928150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626378575 (or 626378570 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 31318928150 in words is "thirty-one billion, three hundred eighteen million, nine hundred twenty-eight thousand, one hundred fifty".