131543204234 has 16 divisors (see below), whose sum is σ = 212685564672. Its totient is φ = 60657192048.

The previous prime is 131543204201. The next prime is 131543204251. The reversal of 131543204234 is 432402345131.

It is a super-2 number, since 2×131543204234² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131543204234.

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, 2264774 + ... + 2322129.

It is an arithmetic number, because the mean of its divisors is an integer number (13292847792).

Almost surely, 2^131543204234 is an apocalyptic number.

131543204234 is a deficient number, since it is larger than the sum of its proper divisors (81142360438).

131543204234 is a wasteful number, since it uses less digits than its factorization.

131543204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588021.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 131543204234 its reverse (432402345131), we get a palindrome (563945549365).

The spelling of 131543204234 in words is "one hundred thirty-one billion, five hundred forty-three million, two hundred four thousand, two hundred thirty-four".