131214233131 has 4 divisors (see below), whose sum is σ = 131215037200. Its totient is φ = 131213429064.

The previous prime is 131214233093. The next prime is 131214233167. The reversal of 131214233131 is 131332412131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131332412131 = 3023 ⋅43444397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131214233131 is a prime.

It is a super-2 number, since 2×131214233131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131214233096 and 131214233105.

It is not an unprimeable number, because it can be changed into a prime (131214231131) 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, 60591 + ... + 515848.

It is an arithmetic number, because the mean of its divisors is an integer number (32803759300).

Almost surely, 2^131214233131 is an apocalyptic number.

131214233131 is a deficient number, since it is larger than the sum of its proper divisors (804069).

131214233131 is an equidigital number, since it uses as much as digits as its factorization.

131214233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804068.

The product of its digits is 1296, while the sum is 25.

Adding to 131214233131 its reverse (131332412131), we get a palindrome (262546645262).

The spelling of 131214233131 in words is "one hundred thirty-one billion, two hundred fourteen million, two hundred thirty-three thousand, one hundred thirty-one".