2052147431 has 4 divisors (see below), whose sum is σ = 2053121664. Its totient is φ = 2051173200.

The previous prime is 2052147373. The next prime is 2052147443. The reversal of 2052147431 is 1347412502.

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 2052147431 - 2¹⁸ = 2051885287 is a prime.

It is a super-2 number, since 2×2052147431² = 8422618157119799522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2052147394 and 2052147403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052147481) 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, 483950 + ... + 488171.

It is an arithmetic number, because the mean of its divisors is an integer number (513280416).

Almost surely, 2^2052147431 is an apocalyptic number.

2052147431 is a deficient number, since it is larger than the sum of its proper divisors (974233).

2052147431 is an equidigital number, since it uses as much as digits as its factorization.

2052147431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974232.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2052147431 is about 45300.6338918122. The cubic root of 2052147431 is about 1270.7775078667. Note that the first 3 decimals are identical.

Adding to 2052147431 its reverse (1347412502), we get a palindrome (3399559933).

The spelling of 2052147431 in words is "two billion, fifty-two million, one hundred forty-seven thousand, four hundred thirty-one".