31143000330244 has 48 divisors (see below), whose sum is σ = 59555119478400. Its totient is φ = 14132046931200.

The previous prime is 31143000330179. The next prime is 31143000330287. The reversal of 31143000330244 is 44203300034113.

It is a super-2 number, since 2×31143000330244² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66385297 + ... + 66852775.

It is an arithmetic number, because the mean of its divisors is an integer number (1240731655800).

Almost surely, 2^{31143000330244} is an apocalyptic number.

It is an amenable number.

31143000330244 is a deficient number, since it is larger than the sum of its proper divisors (28412119148156).

31143000330244 is a wasteful number, since it uses less digits than its factorization.

31143000330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470044 (or 470042 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31143000330244 its reverse (44203300034113), we get a palindrome (75346300364357).

The spelling of 31143000330244 in words is "thirty-one trillion, one hundred forty-three billion, three hundred thirty thousand, two hundred forty-four".