431141145520999 has 2 divisors, whose sum is σ = 431141145521000. Its totient is φ = 431141145520998.

The previous prime is 431141145520867. The next prime is 431141145521113. The reversal of 431141145520999 is 999025541141134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431141145520999 - 2²¹ = 431141143423847 is a prime.

It is a super-2 number, since 2×431141145520999² (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 (431141145520699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215570572760499 + 215570572760500.

It is an arithmetic number, because the mean of its divisors is an integer number (215570572760500).

Almost surely, 2^{431141145520999} is an apocalyptic number.

431141145520999 is a deficient number, since it is larger than the sum of its proper divisors (1).

431141145520999 is an equidigital number, since it uses as much as digits as its factorization.

431141145520999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 431141145520999 in words is "four hundred thirty-one trillion, one hundred forty-one billion, one hundred forty-five million, five hundred twenty thousand, nine hundred ninety-nine".