130231551011 has 4 divisors (see below), whose sum is σ = 130892625072. Its totient is φ = 129570476952.

The previous prime is 130231551001. The next prime is 130231551017. The reversal of 130231551011 is 110155132031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130231551011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130231551017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330536735 + ... + 330537128.

It is an arithmetic number, because the mean of its divisors is an integer number (32723156268).

Almost surely, 2^130231551011 is an apocalyptic number.

130231551011 is a deficient number, since it is larger than the sum of its proper divisors (661074061).

130231551011 is an equidigital number, since it uses as much as digits as its factorization.

130231551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661074060.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 130231551011 its reverse (110155132031), we get a palindrome (240386683042).

The spelling of 130231551011 in words is "one hundred thirty billion, two hundred thirty-one million, five hundred fifty-one thousand, eleven".