31540114 has 8 divisors (see below), whose sum is σ = 49800240. Its totient is φ = 14940036.

The previous prime is 31540109. The next prime is 31540123. The reversal of 31540114 is 41104513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31540114² = 1989557582265992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 31540091 and 31540100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414964 + ... + 415039.

It is an arithmetic number, because the mean of its divisors is an integer number (6225030).

Almost surely, 2^31540114 is an apocalyptic number.

31540114 is a deficient number, since it is larger than the sum of its proper divisors (18260126).

31540114 is a wasteful number, since it uses less digits than its factorization.

31540114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830024.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 31540114 is about 5616.0585823155. The cubic root of 31540114 is about 315.9519835711.

Adding to 31540114 its reverse (41104513), we get a palindrome (72644627).

The spelling of 31540114 in words is "thirty-one million, five hundred forty thousand, one hundred fourteen".