31300243044 has 24 divisors (see below), whose sum is σ = 83467315008. Its totient is φ = 8942926560.

The previous prime is 31300243033. The next prime is 31300243061. The reversal of 31300243044 is 44034200313.

It is a super-2 number, since 2×31300243044² (a number of 22 digits) contains 22 as substring.

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, 186310887 + ... + 186311054.

It is an arithmetic number, because the mean of its divisors is an integer number (3477804792).

Almost surely, 2^31300243044 is an apocalyptic number.

It is an amenable number.

31300243044 is an abundant number, since it is smaller than the sum of its proper divisors (52167071964).

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

31300243044 is a wasteful number, since it uses less digits than its factorization.

31300243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372621955 (or 372621953 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31300243044 its reverse (44034200313), we get a palindrome (75334443357).

The spelling of 31300243044 in words is "thirty-one billion, three hundred million, two hundred forty-three thousand, forty-four".