31749148948 has 24 divisors (see below), whose sum is σ = 60803243424. Its totient is φ = 14385900000.

The previous prime is 31749148939. The next prime is 31749148969. The reversal of 31749148948 is 84984194713.

It is a junction number, because it is equal to n+sod(n) for n = 31749148892 and 31749148901.

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, 1124178 + ... + 1152073.

It is an arithmetic number, because the mean of its divisors is an integer number (2533468476).

Almost surely, 2^31749148948 is an apocalyptic number.

It is an amenable number.

31749148948 is a deficient number, since it is larger than the sum of its proper divisors (29054094476).

31749148948 is a wasteful number, since it uses less digits than its factorization.

31749148948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276583 (or 2276581 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The spelling of 31749148948 in words is "thirty-one billion, seven hundred forty-nine million, one hundred forty-eight thousand, nine hundred forty-eight".