631472266141 has 4 divisors (see below), whose sum is σ = 653247171900. Its totient is φ = 609697360384.

The previous prime is 631472266097. The next prime is 631472266153. The reversal of 631472266141 is 141662274136.

631472266141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364147074916 + 267325191225 = 603446^2 + 517035^2 .

It is a cyclic number.

It is not a de Polignac number, because 631472266141 - 2⁷ = 631472266013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631472266541) 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, 10887452836 + ... + 10887452893.

It is an arithmetic number, because the mean of its divisors is an integer number (163311792975).

Almost surely, 2^631472266141 is an apocalyptic number.

It is an amenable number.

631472266141 is a deficient number, since it is larger than the sum of its proper divisors (21774905759).

631472266141 is a wasteful number, since it uses less digits than its factorization.

631472266141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774905758.

The product of its digits is 290304, while the sum is 43.

The spelling of 631472266141 in words is "six hundred thirty-one billion, four hundred seventy-two million, two hundred sixty-six thousand, one hundred forty-one".