431430321044141 has 2 divisors, whose sum is σ = 431430321044142. Its totient is φ = 431430321044140.

The previous prime is 431430321044113. The next prime is 431430321044189. The reversal of 431430321044141 is 141440123034134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331914653175625 + 99515667868516 = 18218525^2 + 9975754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431430321044141 is a prime.

It is a super-2 number, since 2×431430321044141² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431430321044101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215715160522070 + 215715160522071.

It is an arithmetic number, because the mean of its divisors is an integer number (215715160522071).

Almost surely, 2^{431430321044141} is an apocalyptic number.

It is an amenable number.

431430321044141 is a deficient number, since it is larger than the sum of its proper divisors (1).

431430321044141 is an equidigital number, since it uses as much as digits as its factorization.

431430321044141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 431430321044141 its reverse (141440123034134), we get a palindrome (572870444078275).

The spelling of 431430321044141 in words is "four hundred thirty-one trillion, four hundred thirty billion, three hundred twenty-one million, forty-four thousand, one hundred forty-one".