31422200344 has 16 divisors (see below), whose sum is σ = 59180829120. Its totient is φ = 15640645920.

The previous prime is 31422200287. The next prime is 31422200351. The reversal of 31422200344 is 44300222413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8804887 + ... + 8808454.

It is an arithmetic number, because the mean of its divisors is an integer number (3698801820).

Almost surely, 2^31422200344 is an apocalyptic number.

It is an amenable number.

31422200344 is a deficient number, since it is larger than the sum of its proper divisors (27758628776).

31422200344 is a wasteful number, since it uses less digits than its factorization.

31422200344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17613570 (or 17613566 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31422200344 its reverse (44300222413), we get a palindrome (75722422757).

The spelling of 31422200344 in words is "thirty-one billion, four hundred twenty-two million, two hundred thousand, three hundred forty-four".