31354116 has 12 divisors (see below), whose sum is σ = 73159632. Its totient is φ = 10451368.

The previous prime is 31354109. The next prime is 31354117. The reversal of 31354116 is 61145313.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (31354117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1306410 + ... + 1306433.

It is an arithmetic number, because the mean of its divisors is an integer number (6096636).

Almost surely, 2^31354116 is an apocalyptic number.

It is an amenable number.

31354116 is an abundant number, since it is smaller than the sum of its proper divisors (41805516).

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

31354116 is a wasteful number, since it uses less digits than its factorization.

31354116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612850 (or 2612848 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 31354116 is about 5599.4746182120. The cubic root of 31354116 is about 315.3296825450.

Adding to 31354116 its reverse (61145313), we get a palindrome (92499429).

The spelling of 31354116 in words is "thirty-one million, three hundred fifty-four thousand, one hundred sixteen".