431145215214 has 16 divisors (see below), whose sum is σ = 985474777728. Its totient is φ = 123184347192.

The previous prime is 431145215191. The next prime is 431145215261. The reversal of 431145215214 is 412512541134.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5132681092 + ... + 5132681175.

It is an arithmetic number, because the mean of its divisors is an integer number (61592173608).

Almost surely, 2^431145215214 is an apocalyptic number.

431145215214 is an abundant number, since it is smaller than the sum of its proper divisors (554329562514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431145215214 is a wasteful number, since it uses less digits than its factorization.

431145215214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265362279.

The product of its digits is 19200, while the sum is 33.

Adding to 431145215214 its reverse (412512541134), we get a palindrome (843657756348).

The spelling of 431145215214 in words is "four hundred thirty-one billion, one hundred forty-five million, two hundred fifteen thousand, two hundred fourteen".