2340213531 has 8 divisors (see below), whose sum is σ = 3151179024. Its totient is φ = 1544695200.

The previous prime is 2340213433. The next prime is 2340213581. The reversal of 2340213531 is 1353120432.

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

It is not a de Polignac number, because 2340213531 - 2⁹ = 2340213019 is a prime.

It is a super-2 number, since 2×2340213531² = 10953198741350975922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2340213581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861436 + ... + 3862041.

It is an arithmetic number, because the mean of its divisors is an integer number (393897378).

Almost surely, 2^2340213531 is an apocalyptic number.

2340213531 is a deficient number, since it is larger than the sum of its proper divisors (810965493).

2340213531 is a wasteful number, since it uses less digits than its factorization.

2340213531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723581.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2340213531 is about 48375.7535445186. The cubic root of 2340213531 is about 1327.6547757727.

Adding to 2340213531 its reverse (1353120432), we get a palindrome (3693333963).

The spelling of 2340213531 in words is "two billion, three hundred forty million, two hundred thirteen thousand, five hundred thirty-one".