131011510234 has 12 divisors (see below), whose sum is σ = 216006581322. Its totient is φ = 59550686360.

The previous prime is 131011510183. The next prime is 131011510313. The reversal of 131011510234 is 432015110131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131011422025 + 88209 = 361955^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270684697 + ... + 270685180.

Almost surely, 2^131011510234 is an apocalyptic number.

131011510234 is a deficient number, since it is larger than the sum of its proper divisors (84995071088).

131011510234 is a wasteful number, since it uses less digits than its factorization.

131011510234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541369901 (or 541369890 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 131011510234 its reverse (432015110131), we get a palindrome (563026620365).

The spelling of 131011510234 in words is "one hundred thirty-one billion, eleven million, five hundred ten thousand, two hundred thirty-four".