461132731 has 8 divisors (see below), whose sum is σ = 479856960. Its totient is φ = 442772232.

The previous prime is 461132723. The next prime is 461132743. The reversal of 461132731 is 137231164.

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 461132731 - 2³ = 461132723 is a prime.

It is a super-2 number, since 2×461132731² = 425286791199036722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461132731.

It is not an unprimeable number, because it can be changed into a prime (461132131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88345 + ... + 93418.

It is an arithmetic number, because the mean of its divisors is an integer number (59982120).

Almost surely, 2^461132731 is an apocalyptic number.

461132731 is a deficient number, since it is larger than the sum of its proper divisors (18724229).

461132731 is a wasteful number, since it uses less digits than its factorization.

461132731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181865.

The product of its digits is 3024, while the sum is 28.

The square root of 461132731 is about 21474.0012806184. The cubic root of 461132731 is about 772.5773705074.

Adding to 461132731 its reverse (137231164), we get a palindrome (598363895).

The spelling of 461132731 in words is "four hundred sixty-one million, one hundred thirty-two thousand, seven hundred thirty-one".