2102052431 has 4 divisors (see below), whose sum is σ = 2225702592. Its totient is φ = 1978402272.

The previous prime is 2102052419. The next prime is 2102052437. The reversal of 2102052431 is 1342502012.

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 2102052431 - 2⁶ = 2102052367 is a prime.

It is a super-2 number, since 2×2102052431² = 8837248845346019522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102052437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61825055 + ... + 61825088.

It is an arithmetic number, because the mean of its divisors is an integer number (556425648).

Almost surely, 2^2102052431 is an apocalyptic number.

2102052431 is a deficient number, since it is larger than the sum of its proper divisors (123650161).

2102052431 is a wasteful number, since it uses less digits than its factorization.

2102052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123650160.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2102052431 is about 45848.1453387157. The cubic root of 2102052431 is about 1280.9962196837.

Adding to 2102052431 its reverse (1342502012), we get a palindrome (3444554443).

The spelling of 2102052431 in words is "two billion, one hundred two million, fifty-two thousand, four hundred thirty-one".