131001240234 has 32 divisors (see below), whose sum is σ = 271130328000. Its totient is φ = 42146808704.

The previous prime is 131001240221. The next prime is 131001240239. The reversal of 131001240234 is 432042100131.

It is a super-2 number, since 2×131001240234² (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 131001240234.

It is not an unprimeable number, because it can be changed into a prime (131001240239) 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, 383302 + ... + 639470.

It is an arithmetic number, because the mean of its divisors is an integer number (8472822750).

Almost surely, 2^131001240234 is an apocalyptic number.

131001240234 is an abundant number, since it is smaller than the sum of its proper divisors (140129087766).

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

131001240234 is a wasteful number, since it uses less digits than its factorization.

131001240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259142.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131001240234 its reverse (432042100131), we get a palindrome (563043340365).

The spelling of 131001240234 in words is "one hundred thirty-one billion, one million, two hundred forty thousand, two hundred thirty-four".