31436134 has 8 divisors (see below), whose sum is σ = 47188368. Its totient is φ = 15706680.

The previous prime is 31436129. The next prime is 31436137. The reversal of 31436134 is 43163413.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 31436099 and 31436108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31436137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1677 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (5898546).

Almost surely, 2^31436134 is an apocalyptic number.

31436134 is a deficient number, since it is larger than the sum of its proper divisors (15752234).

31436134 is a wasteful number, since it uses less digits than its factorization.

31436134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390.

The product of its digits is 2592, while the sum is 25.

The square root of 31436134 is about 5606.7935578189. The cubic root of 31436134 is about 315.6043959886.

Adding to 31436134 its reverse (43163413), we get a palindrome (74599547).

The spelling of 31436134 in words is "thirty-one million, four hundred thirty-six thousand, one hundred thirty-four".