131112033331 has 2 divisors, whose sum is σ = 131112033332. Its totient is φ = 131112033330.

The previous prime is 131112033293. The next prime is 131112033343. The reversal of 131112033331 is 133330211131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131112033331 - 2¹⁹ = 131111509043 is a prime.

It is a super-2 number, since 2×131112033331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131112033391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556016665 + 65556016666.

It is an arithmetic number, because the mean of its divisors is an integer number (65556016666).

Almost surely, 2^131112033331 is an apocalyptic number.

131112033331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131112033331 is an equidigital number, since it uses as much as digits as its factorization.

131112033331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131112033331 its reverse (133330211131), we get a palindrome (264442244462).

The spelling of 131112033331 in words is "one hundred thirty-one billion, one hundred twelve million, thirty-three thousand, three hundred thirty-one".