212431431033 has 16 divisors (see below), whose sum is σ = 315150969600. Its totient is φ = 141423971760.

The previous prime is 212431431029. The next prime is 212431431059. The reversal of 212431431033 is 330134134212.

It is a happy number.

212431431033 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 314 + 310 + 33 = 666.

It is not a de Polignac number, because 212431431033 - 2² = 212431431029 is a prime.

It is a super-2 number, since 2×212431431033² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212431430988 and 212431431006.

It is not an unprimeable number, because it can be changed into a prime (212431430033) 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, 5451958 + ... + 5490783.

It is an arithmetic number, because the mean of its divisors is an integer number (19696935600).

Almost surely, 2^212431431033 is an apocalyptic number.

It is an amenable number.

212431431033 is a deficient number, since it is larger than the sum of its proper divisors (102719538567).

212431431033 is a wasteful number, since it uses less digits than its factorization.

212431431033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943469 (or 10943463 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212431431033 its reverse (330134134212), we get a palindrome (542565565245).

The spelling of 212431431033 in words is "two hundred twelve billion, four hundred thirty-one million, four hundred thirty-one thousand, thirty-three".