31135314 has 32 divisors (see below), whose sum is σ = 71331840. Its totient is φ = 8875152.

The previous prime is 31135309. The next prime is 31135331. The reversal of 31135314 is 41353113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35647 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (2229120).

Almost surely, 2^31135314 is an apocalyptic number.

31135314 is an abundant number, since it is smaller than the sum of its proper divisors (40196526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31135314 is a wasteful number, since it uses less digits than its factorization.

31135314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its digits is 540, while the sum is 21.

The square root of 31135314 is about 5579.9026873235. The cubic root of 31135314 is about 314.5944693259.

Adding to 31135314 its reverse (41353113), we get a palindrome (72488427).

The spelling of 31135314 in words is "thirty-one million, one hundred thirty-five thousand, three hundred fourteen".