1232131000213 has 4 divisors (see below), whose sum is σ = 1255378754988. Its totient is φ = 1208883245440.

The previous prime is 1232131000189. The next prime is 1232131000237. The reversal of 1232131000213 is 3120001312321.

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

It is an interprime number because it is at equal distance from previous prime (1232131000189) and next prime (1232131000237).

It can be written as a sum of positive squares in 2 ways, for example, as 543665851569 + 688465148644 = 737337^2 + 829738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232131000213 - 2²⁹ = 1231594129301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232131000283) 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, 11623877308 + ... + 11623877413.

It is an arithmetic number, because the mean of its divisors is an integer number (313844688747).

Almost surely, 2^{1232131000213} is an apocalyptic number.

It is an amenable number.

1232131000213 is a deficient number, since it is larger than the sum of its proper divisors (23247754775).

1232131000213 is an equidigital number, since it uses as much as digits as its factorization.

1232131000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23247754774.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1232131000213 its reverse (3120001312321), we get a palindrome (4352132312534).

The spelling of 1232131000213 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred thirteen", and thus it is an aban number.