461502720031 has 4 divisors (see below), whose sum is σ = 465815829672. Its totient is φ = 457189610392.

The previous prime is 461502720011. The next prime is 461502720067. The reversal of 461502720031 is 130027205164.

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 461502720031 - 2⁵ = 461502719999 is a prime.

It is a super-2 number, since 2×461502720031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461502719975 and 461502720002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461502720011) 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, 2156554660 + ... + 2156554873.

It is an arithmetic number, because the mean of its divisors is an integer number (116453957418).

Almost surely, 2^461502720031 is an apocalyptic number.

461502720031 is a deficient number, since it is larger than the sum of its proper divisors (4313109641).

461502720031 is a wasteful number, since it uses less digits than its factorization.

461502720031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313109640.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 461502720031 its reverse (130027205164), we get a palindrome (591529925195).

The spelling of 461502720031 in words is "four hundred sixty-one billion, five hundred two million, seven hundred twenty thousand, thirty-one".