4120013531 has 4 divisors (see below), whose sum is σ = 4138489152. Its totient is φ = 4101537912.

The previous prime is 4120013519. The next prime is 4120013533. The reversal of 4120013531 is 1353100214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4120013531 is a prime.

It is a super-2 number, since 2×4120013531² = 33949022991246175922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120013533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9237476 + ... + 9237921.

It is an arithmetic number, because the mean of its divisors is an integer number (1034622288).

Almost surely, 2^4120013531 is an apocalyptic number.

4120013531 is a deficient number, since it is larger than the sum of its proper divisors (18475621).

4120013531 is a wasteful number, since it uses less digits than its factorization.

4120013531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18475620.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4120013531 is about 64187.3315460302. The cubic root of 4120013531 is about 1603.1206712736.

Adding to 4120013531 its reverse (1353100214), we get a palindrome (5473113745).

The spelling of 4120013531 in words is "four billion, one hundred twenty million, thirteen thousand, five hundred thirty-one".