31331341444 has 48 divisors (see below), whose sum is σ = 60743996208. Its totient is φ = 14046455808.

The previous prime is 31331341417. The next prime is 31331341453. The reversal of 31331341444 is 44414313313.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2867602500 + 28463738944 = 53550^2 + 168712^2 .

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, 1173912 + ... + 1200304.

It is an arithmetic number, because the mean of its divisors is an integer number (1265499921).

Almost surely, 2^31331341444 is an apocalyptic number.

It is an amenable number.

31331341444 is a deficient number, since it is larger than the sum of its proper divisors (29412654764).

31331341444 is a wasteful number, since it uses less digits than its factorization.

31331341444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27064 (or 27062 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 31331341444 its reverse (44414313313), we get a palindrome (75745654757).

The spelling of 31331341444 in words is "thirty-one billion, three hundred thirty-one million, three hundred forty-one thousand, four hundred forty-four".