131021232212133 has 20 divisors (see below), whose sum is σ = 204232774207968. Its totient is φ = 83549771264520.

The previous prime is 131021232212089. The next prime is 131021232212161. The reversal of 131021232212133 is 331212232120131.

131021232212133 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 212 + 322 + 121 + 3 + 3 = 666.

It is not a de Polignac number, because 131021232212133 - 2¹⁸ = 131021231949989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131021232212097 and 131021232212106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021232212933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35164043283 + ... + 35164047008.

Almost surely, 2^{131021232212133} is an apocalyptic number.

It is an amenable number.

131021232212133 is a deficient number, since it is larger than the sum of its proper divisors (73211541995835).

131021232212133 is an equidigital number, since it uses as much as digits as its factorization.

131021232212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70328090326 (or 70328090317 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 131021232212133 its reverse (331212232120131), we get a palindrome (462233464332264).

The spelling of 131021232212133 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, one hundred thirty-three".