431237221471 has 16 divisors (see below), whose sum is σ = 502304440320. Its totient is φ = 362600884800.

The previous prime is 431237221469. The next prime is 431237221487. The reversal of 431237221471 is 174122732134.

It is not a de Polignac number, because 431237221471 - 2¹ = 431237221469 is a prime.

It is a super-3 number, since 3×431237221471³ (a number of 36 digits) contains 333 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 431237221471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431237221411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2646055 + ... + 2804296.

It is an arithmetic number, because the mean of its divisors is an integer number (31394027520).

Almost surely, 2^431237221471 is an apocalyptic number.

431237221471 is a deficient number, since it is larger than the sum of its proper divisors (71067218849).

431237221471 is a wasteful number, since it uses less digits than its factorization.

431237221471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450574.

The product of its digits is 56448, while the sum is 37.

The spelling of 431237221471 in words is "four hundred thirty-one billion, two hundred thirty-seven million, two hundred twenty-one thousand, four hundred seventy-one".