1461704831 has 4 divisors (see below), whose sum is σ = 1461866352. Its totient is φ = 1461543312.

The previous prime is 1461704807. The next prime is 1461704857. The reversal of 1461704831 is 1384071641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1384071641 = 1039 ⋅1332119.

It is a cyclic number.

It is not a de Polignac number, because 1461704831 - 2⁶ = 1461704767 is a prime.

It is a super-2 number, since 2×1461704831² = 4273162025937477122, 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 = 1461704791 and 1461704800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461704801) 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, 66326 + ... + 85571.

It is an arithmetic number, because the mean of its divisors is an integer number (365466588).

Almost surely, 2^1461704831 is an apocalyptic number.

1461704831 is a deficient number, since it is larger than the sum of its proper divisors (161521).

1461704831 is an equidigital number, since it uses as much as digits as its factorization.

1461704831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161520.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1461704831 is about 38232.2485736845. The cubic root of 1461704831 is about 1134.8885840940. Note that the first 3 decimals are identical.

The spelling of 1461704831 in words is "one billion, four hundred sixty-one million, seven hundred four thousand, eight hundred thirty-one".