31114545 has 96 divisors (see below), whose sum is σ = 65372160. Its totient is φ = 12355200.

The previous prime is 31114529. The next prime is 31114553. The reversal of 31114545 is 54541113.

It is a happy number.

It is not a de Polignac number, because 31114545 - 2⁴ = 31114529 is a prime.

It is a super-2 number, since 2×31114545² = 1936229821114050, which contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 393816 + ... + 393894.

It is an arithmetic number, because the mean of its divisors is an integer number (680960).

Almost surely, 2^31114545 is an apocalyptic number.

31114545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31114545 is an abundant number, since it is smaller than the sum of its proper divisors (34257615).

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

31114545 is a wasteful number, since it uses less digits than its factorization.

31114545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 136 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 31114545 is about 5578.0413229018. The cubic root of 31114545 is about 314.5245030504.

Adding to 31114545 its reverse (54541113), we get a palindrome (85655658).

The spelling of 31114545 in words is "thirty-one million, one hundred fourteen thousand, five hundred forty-five".