31003340112 has 40 divisors (see below), whose sum is σ = 88991070080. Its totient is φ = 10334446560.

The previous prime is 31003340101. The next prime is 31003340129. The reversal of 31003340112 is 21104330013.

31003340112 is a `hidden beast` number, since 310 + 0 + 3 + 340 + 1 + 12 = 666.

It is a super-2 number, since 2×31003340112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35883064 + ... + 35883927.

It is an arithmetic number, because the mean of its divisors is an integer number (2224776752).

Almost surely, 2^31003340112 is an apocalyptic number.

It is an amenable number.

31003340112 is an abundant number, since it is smaller than the sum of its proper divisors (57987729968).

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

31003340112 is a wasteful number, since it uses less digits than its factorization.

31003340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71767008 (or 71766996 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31003340112 its reverse (21104330013), we get a palindrome (52107670125).

The spelling of 31003340112 in words is "thirty-one billion, three million, three hundred forty thousand, one hundred twelve".