31048739960 has 64 divisors (see below), whose sum is σ = 81696384000. Its totient is φ = 10397713536.

The previous prime is 31048739959. The next prime is 31048739963. The reversal of 31048739960 is 6993784013.

It is a junction number, because it is equal to n+sod(n) for n = 31048739899 and 31048739908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31048739963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277360 + ... + 1301439.

It is an arithmetic number, because the mean of its divisors is an integer number (1276506000).

Almost surely, 2^31048739960 is an apocalyptic number.

It is an amenable number.

31048739960 is an abundant number, since it is smaller than the sum of its proper divisors (50647644040).

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

31048739960 is a wasteful number, since it uses less digits than its factorization.

31048739960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578860 (or 2578856 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 31048739960 in words is "thirty-one billion, forty-eight million, seven hundred thirty-nine thousand, nine hundred sixty".