131551044051 has 32 divisors (see below), whose sum is σ = 205920552960. Its totient is φ = 73124712576.

The previous prime is 131551044049. The next prime is 131551044089. The reversal of 131551044051 is 150440155131.

It is not a de Polignac number, because 131551044051 - 2¹ = 131551044049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131551044551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4272925 + ... + 4303601.

It is an arithmetic number, because the mean of its divisors is an integer number (6435017280).

Almost surely, 2^131551044051 is an apocalyptic number.

131551044051 is a deficient number, since it is larger than the sum of its proper divisors (74369508909).

131551044051 is a wasteful number, since it uses less digits than its factorization.

131551044051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36243.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 131551044051 its reverse (150440155131), we get a palindrome (281991199182).

The spelling of 131551044051 in words is "one hundred thirty-one billion, five hundred fifty-one million, forty-four thousand, fifty-one".