31023401948 has 96 divisors (see below), whose sum is σ = 70241472000. Its totient is φ = 11881833600.

The previous prime is 31023401923. The next prime is 31023401953. The reversal of 31023401948 is 84910432013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873008 + ... + 907848.

It is an arithmetic number, because the mean of its divisors is an integer number (731682000).

Almost surely, 2^31023401948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31023401948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35120736000).

31023401948 is an abundant number, since it is smaller than the sum of its proper divisors (39218070052).

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

31023401948 is a wasteful number, since it uses less digits than its factorization.

31023401948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34936 (or 34920 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 31023401948 in words is "thirty-one billion, twenty-three million, four hundred one thousand, nine hundred forty-eight".