31143034432444 has 96 divisors (see below), whose sum is σ = 61532761086720. Its totient is φ = 13668774873600.

The previous prime is 31143034432427. The next prime is 31143034432459. The reversal of 31143034432444 is 44423443034113.

It is a junction number, because it is equal to n+sod(n) for n = 31143034432397 and 31143034432406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092992262 + ... + 1093020754.

It is an arithmetic number, because the mean of its divisors is an integer number (640966261320).

Almost surely, 2^{31143034432444} is an apocalyptic number.

It is an amenable number.

31143034432444 is a deficient number, since it is larger than the sum of its proper divisors (30389726654276).

31143034432444 is a wasteful number, since it uses less digits than its factorization.

31143034432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35131 (or 35129 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 31143034432444 its reverse (44423443034113), we get a palindrome (75566477466557).

The spelling of 31143034432444 in words is "thirty-one trillion, one hundred forty-three billion, thirty-four million, four hundred thirty-two thousand, four hundred forty-four".