31431112605134 has 8 divisors (see below), whose sum is σ = 51432729717528. Its totient is φ = 14286869365960.

The previous prime is 31431112605131. The next prime is 31431112605163. The reversal of 31431112605134 is 43150621113413.

It is a happy number.

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

It is a super-2 number, since 2×31431112605134² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31431112605094 and 31431112605103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31431112605131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714343468277 + ... + 714343468320.

It is an arithmetic number, because the mean of its divisors is an integer number (6429091214691).

Almost surely, 2^{31431112605134} is an apocalyptic number.

31431112605134 is a deficient number, since it is larger than the sum of its proper divisors (20001617112394).

31431112605134 is a wasteful number, since it uses less digits than its factorization.

31431112605134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428686936610.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 31431112605134 its reverse (43150621113413), we get a palindrome (74581733718547).

The spelling of 31431112605134 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred twelve million, six hundred five thousand, one hundred thirty-four".