461565232311631 has 8 divisors (see below), whose sum is σ = 528013774269344. Its totient is φ = 395244353260800.

The previous prime is 461565232311619. The next prime is 461565232311653. The reversal of 461565232311631 is 136113232565164.

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 461565232311631 - 2¹¹ = 461565232309583 is a prime.

It is a super-3 number, since 3×461565232311631³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461565232311691) 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, 31915718970 + ... + 31915733431.

It is an arithmetic number, because the mean of its divisors is an integer number (66001721783668).

Almost surely, 2^{461565232311631} is an apocalyptic number.

461565232311631 is a deficient number, since it is larger than the sum of its proper divisors (66448541957713).

461565232311631 is a wasteful number, since it uses less digits than its factorization.

461565232311631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63831453441.

The product of its digits is 2332800, while the sum is 49.

Adding to 461565232311631 its reverse (136113232565164), we get a palindrome (597678464876795).

The spelling of 461565232311631 in words is "four hundred sixty-one trillion, five hundred sixty-five billion, two hundred thirty-two million, three hundred eleven thousand, six hundred thirty-one".