131131133123331 has 32 divisors (see below), whose sum is σ = 194281859006208. Its totient is φ = 78004617863040.

The previous prime is 131131133123327. The next prime is 131131133123381. The reversal of 131131133123331 is 133321331131131.

It is not a de Polignac number, because 131131133123331 - 2² = 131131133123327 is a prime.

It is a super-2 number, since 2×131131133123331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131131133123381) 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, 106442640 + ... + 107667533.

It is an arithmetic number, because the mean of its divisors is an integer number (6071308093944).

Almost surely, 2^{131131133123331} is an apocalyptic number.

131131133123331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131131133123331 is a deficient number, since it is larger than the sum of its proper divisors (63150725882877).

131131133123331 is a wasteful number, since it uses less digits than its factorization.

131131133123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214110531.

The product of its digits is 4374, while the sum is 30.

Adding to 131131133123331 its reverse (133321331131131), we get a palindrome (264452464254462).

The spelling of 131131133123331 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred thirty-one".