1213301132231 has 16 divisors (see below), whose sum is σ = 1261225632000. Its totient is φ = 1165930502400.

The previous prime is 1213301132227. The next prime is 1213301132237. The reversal of 1213301132231 is 1322311033121.

It is a cyclic number.

It is not a de Polignac number, because 1213301132231 - 2² = 1213301132227 is a prime.

It is a super-2 number, since 2×1213301132231² (a number of 25 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 = 1213301132197 and 1213301132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213301132237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15985451 + ... + 16061171.

It is an arithmetic number, because the mean of its divisors is an integer number (78826602000).

Almost surely, 2^{1213301132231} is an apocalyptic number.

1213301132231 is a deficient number, since it is larger than the sum of its proper divisors (47924499769).

1213301132231 is a wasteful number, since it uses less digits than its factorization.

1213301132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79370.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1213301132231 its reverse (1322311033121), we get a palindrome (2535612165352).

The spelling of 1213301132231 in words is "one trillion, two hundred thirteen billion, three hundred one million, one hundred thirty-two thousand, two hundred thirty-one".