2801730431 has 4 divisors (see below), whose sum is σ = 2892108864. Its totient is φ = 2711352000.

The previous prime is 2801730377. The next prime is 2801730457. The reversal of 2801730431 is 1340371082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340371082 = 2 ⋅670185541.

It is a cyclic number.

It is not a de Polignac number, because 2801730431 - 2³⁰ = 1727988607 is a prime.

It is a super-2 number, since 2×2801730431² = 15699386815982891522, 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 = 2801730394 and 2801730403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801730461) 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, 45189170 + ... + 45189231.

It is an arithmetic number, because the mean of its divisors is an integer number (723027216).

Almost surely, 2^2801730431 is an apocalyptic number.

2801730431 is a deficient number, since it is larger than the sum of its proper divisors (90378433).

2801730431 is an equidigital number, since it uses as much as digits as its factorization.

2801730431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90378432.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2801730431 is about 52931.3747318167. The cubic root of 2801730431 is about 1409.7500405289.

The spelling of 2801730431 in words is "two billion, eight hundred one million, seven hundred thirty thousand, four hundred thirty-one".