31424145134 has 8 divisors (see below), whose sum is σ = 47165301048. Its totient is φ = 15702378120.

The previous prime is 31424145121. The next prime is 31424145143. The reversal of 31424145134 is 43154142413.

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 31424145134.

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, 4843172 + ... + 4849655.

It is an arithmetic number, because the mean of its divisors is an integer number (5895662631).

Almost surely, 2^31424145134 is an apocalyptic number.

31424145134 is a deficient number, since it is larger than the sum of its proper divisors (15741155914).

31424145134 is a wasteful number, since it uses less digits than its factorization.

31424145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694450.

The product of its digits is 23040, while the sum is 32.

Adding to 31424145134 its reverse (43154142413), we get a palindrome (74578287547).

The spelling of 31424145134 in words is "thirty-one billion, four hundred twenty-four million, one hundred forty-five thousand, one hundred thirty-four".