31442233331304 has 48 divisors (see below), whose sum is σ = 85999177819620. Its totient is φ = 10376974694400.

The previous prime is 31442233331303. The next prime is 31442233331387. The reversal of 31442233331304 is 40313333224413.

31442233331304 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 2 + 2 + 333 + 313 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27310762440900 + 4131470890404 = 5225970^2 + 2032602^2 .

It is a super-2 number, since 2×31442233331304² (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (31442233331303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2161862457 + ... + 2161877000.

Almost surely, 2^{31442233331304} is an apocalyptic number.

It is an amenable number.

31442233331304 is an abundant number, since it is smaller than the sum of its proper divisors (54556944488316).

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

31442233331304 is a wasteful number, since it uses less digits than its factorization.

31442233331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323739570 (or 4323739563 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 31442233331304 its reverse (40313333224413), we get a palindrome (71755566555717).

The spelling of 31442233331304 in words is "thirty-one trillion, four hundred forty-two billion, two hundred thirty-three million, three hundred thirty-one thousand, three hundred four".