31353134 has 16 divisors (see below), whose sum is σ = 51144048. Its totient is φ = 14355072.

The previous prime is 31353109. The next prime is 31353139. The reversal of 31353134 is 43135313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31353139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11204 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (3196503).

Almost surely, 2^31353134 is an apocalyptic number.

31353134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31353134 is a deficient number, since it is larger than the sum of its proper divisors (19790914).

31353134 is a wasteful number, since it uses less digits than its factorization.

31353134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24979.

The product of its digits is 1620, while the sum is 23.

The square root of 31353134 is about 5599.3869307273. The cubic root of 31353134 is about 315.3263905053.

Adding to 31353134 its reverse (43135313), we get a palindrome (74488447).

The spelling of 31353134 in words is "thirty-one million, three hundred fifty-three thousand, one hundred thirty-four".