31342326444 has 144 divisors (see below), whose sum is σ = 93812060160. Its totient is φ = 8697870720.

The previous prime is 31342326443. The next prime is 31342326479. The reversal of 31342326444 is 44462324313.

31342326444 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 2 + 3 + 2 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31342326399 and 31342326408.

It is not an unprimeable number, because it can be changed into a prime (31342326443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629827 + ... + 677765.

It is an arithmetic number, because the mean of its divisors is an integer number (651472640).

Almost surely, 2^31342326444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31342326444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46906030080).

31342326444 is an abundant number, since it is smaller than the sum of its proper divisors (62469733716).

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

31342326444 is a wasteful number, since it uses less digits than its factorization.

31342326444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48100 (or 48095 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 31342326444 in words is "thirty-one billion, three hundred forty-two million, three hundred twenty-six thousand, four hundred forty-four".