2516142331 has 4 divisors (see below), whose sum is σ = 2517840472. Its totient is φ = 2514444192.

The previous prime is 2516142329. The next prime is 2516142353. The reversal of 2516142331 is 1332416152.

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

It is a cyclic number.

It is not a de Polignac number, because 2516142331 - 2¹ = 2516142329 is a prime.

It is a super-2 number, since 2×2516142331² = 12661944459700227122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516142331.

It is not an unprimeable number, because it can be changed into a prime (2516142301) 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, 846846 + ... + 849811.

It is an arithmetic number, because the mean of its divisors is an integer number (629460118).

Almost surely, 2^2516142331 is an apocalyptic number.

2516142331 is a deficient number, since it is larger than the sum of its proper divisors (1698141).

2516142331 is a wasteful number, since it uses less digits than its factorization.

2516142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698140.

The product of its digits is 4320, while the sum is 28.

The square root of 2516142331 is about 50161.1635730273. The cubic root of 2516142331 is about 1360.1236787393.

Adding to 2516142331 its reverse (1332416152), we get a palindrome (3848558483).

The spelling of 2516142331 in words is "two billion, five hundred sixteen million, one hundred forty-two thousand, three hundred thirty-one".