31124404342 has 8 divisors (see below), whose sum is σ = 47022481800. Its totient is φ = 15450243744.

The previous prime is 31124404331. The next prime is 31124404369. The reversal of 31124404342 is 24340442113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31124404342.

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, 55978867 + ... + 55979422.

It is an arithmetic number, because the mean of its divisors is an integer number (5877810225).

Almost surely, 2^31124404342 is an apocalyptic number.

31124404342 is a deficient number, since it is larger than the sum of its proper divisors (15898077458).

31124404342 is a wasteful number, since it uses less digits than its factorization.

31124404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111958430.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31124404342 its reverse (24340442113), we get a palindrome (55464846455).

The spelling of 31124404342 in words is "thirty-one billion, one hundred twenty-four million, four hundred four thousand, three hundred forty-two".