31496748 has 24 divisors (see below), whose sum is σ = 73619952. Its totient is φ = 10480704.

The previous prime is 31496741. The next prime is 31496779. The reversal of 31496748 is 84769413.

It is not an unprimeable number, because it can be changed into a prime (31496741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (3067498).

Almost surely, 2^31496748 is an apocalyptic number.

It is an amenable number.

31496748 is an abundant number, since it is smaller than the sum of its proper divisors (42123204).

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

31496748 is a wasteful number, since it uses less digits than its factorization.

31496748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561 (or 4559 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 31496748 is about 5612.1963614970. The cubic root of 31496748 is about 315.8071113599.

The spelling of 31496748 in words is "thirty-one million, four hundred ninety-six thousand, seven hundred forty-eight".