31324334004 has 36 divisors (see below), whose sum is σ = 79361362080. Its totient is φ = 10417654800.

The previous prime is 31324333979. The next prime is 31324334009. The reversal of 31324334004 is 40043342313.

31324334004 is a `hidden beast` number, since 3 + 1 + 324 + 334 + 0 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324334009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975222 + ... + 1006829.

It is an arithmetic number, because the mean of its divisors is an integer number (2204482280).

Almost surely, 2^31324334004 is an apocalyptic number.

It is an amenable number.

31324334004 is an abundant number, since it is smaller than the sum of its proper divisors (48037028076).

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

31324334004 is a wasteful number, since it uses less digits than its factorization.

31324334004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982500 (or 1982495 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31324334004 its reverse (40043342313), we get a palindrome (71367676317).

The spelling of 31324334004 in words is "thirty-one billion, three hundred twenty-four million, three hundred thirty-four thousand, four".