31152114 has 48 divisors (see below), whose sum is σ = 80004288. Its totient is φ = 8899632.

The previous prime is 31152103. The next prime is 31152127. The reversal of 31152114 is 41125113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1177 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (1666756).

Almost surely, 2^31152114 is an apocalyptic number.

31152114 is an abundant number, since it is smaller than the sum of its proper divisors (48852174).

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

31152114 is an equidigital number, since it uses as much as digits as its factorization.

31152114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181 (or 9169 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 31152114 is about 5581.4078869045. The cubic root of 31152114 is about 314.6510421377.

Adding to 31152114 its reverse (41125113), we get a palindrome (72277227).

It can be divided in two parts, 311 and 52114, that added together give a palindrome (52425).

The spelling of 31152114 in words is "thirty-one million, one hundred fifty-two thousand, one hundred fourteen".