131012213223233 has 4 divisors (see below), whose sum is σ = 134207633057988. Its totient is φ = 127816793388480.

The previous prime is 131012213223217. The next prime is 131012213223253. The reversal of 131012213223233 is 332322312210131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8073968809729 + 122938244413504 = 2841473^2 + 11087752^2 .

It is a cyclic number.

It is not a de Polignac number, because 131012213223233 - 2⁴ = 131012213223217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131012213223196 and 131012213223205.

It is not an unprimeable number, because it can be changed into a prime (131012213223253) 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, 1597709917316 + ... + 1597709917397.

It is an arithmetic number, because the mean of its divisors is an integer number (33551908264497).

Almost surely, 2^{131012213223233} is an apocalyptic number.

It is an amenable number.

131012213223233 is a deficient number, since it is larger than the sum of its proper divisors (3195419834755).

131012213223233 is an equidigital number, since it uses as much as digits as its factorization.

131012213223233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195419834754.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131012213223233 its reverse (332322312210131), we get a palindrome (463334525433364).

The spelling of 131012213223233 in words is "one hundred thirty-one trillion, twelve billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred thirty-three".