2102352431 has 8 divisors (see below), whose sum is σ = 2191836240. Its totient is φ = 2014713792.

The previous prime is 2102352407. The next prime is 2102352491. The reversal of 2102352431 is 1342532012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102352431 - 2³⁰ = 1028610607 is a prime.

It is a super-2 number, since 2×2102352431² = 8839771488263219522, 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 = 2102352397 and 2102352406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102352491) 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, 458966 + ... + 463523.

It is an arithmetic number, because the mean of its divisors is an integer number (273979530).

Almost surely, 2^2102352431 is an apocalyptic number.

2102352431 is a deficient number, since it is larger than the sum of its proper divisors (89483809).

2102352431 is an equidigital number, since it uses as much as digits as its factorization.

2102352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922585.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2102352431 is about 45851.4168919566. The cubic root of 2102352431 is about 1281.0571570450.

Adding to 2102352431 its reverse (1342532012), we get a palindrome (3444884443).

The spelling of 2102352431 in words is "two billion, one hundred two million, three hundred fifty-two thousand, four hundred thirty-one".