31014340 has 48 divisors (see below), whose sum is σ = 77011200. Its totient is φ = 10265472.

The previous prime is 31014337. The next prime is 31014371. The reversal of 31014340 is 4341013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 7879.

It is an arithmetic number, because the mean of its divisors is an integer number (1604400).

Almost surely, 2^31014340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31014340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38505600).

31014340 is an abundant number, since it is smaller than the sum of its proper divisors (45996860).

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

31014340 is a wasteful number, since it uses less digits than its factorization.

31014340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684 (or 7682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31014340 is about 5569.0519839556. The cubic root of 31014340 is about 314.1864958352.

Adding to 31014340 its reverse (4341013), we get a palindrome (35355353).

The spelling of 31014340 in words is "thirty-one million, fourteen thousand, three hundred forty".