31400004344 has 16 divisors (see below), whose sum is σ = 59304754800. Its totient is φ = 15585403072.

The previous prime is 31400004341. The next prime is 31400004373. The reversal of 31400004344 is 44340000413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400004341) 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 3 ways as a sum of consecutive naturals, for example, 14323724 + ... + 14325915.

It is an arithmetic number, because the mean of its divisors is an integer number (3706547175).

Almost surely, 2^31400004344 is an apocalyptic number.

It is an amenable number.

31400004344 is a deficient number, since it is larger than the sum of its proper divisors (27904750456).

31400004344 is a wasteful number, since it uses less digits than its factorization.

31400004344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28649782 (or 28649778 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31400004344 its reverse (44340000413), we get a palindrome (75740004757).

The spelling of 31400004344 in words is "thirty-one billion, four hundred million, four thousand, three hundred forty-four".