1031010231213 has 10 divisors (see below), whose sum is σ = 1540151086254. Its totient is φ = 687340154088.

The previous prime is 1031010231149. The next prime is 1031010231217. The reversal of 1031010231213 is 3121320101301.

1031010231213 is a `hidden beast` number, since 10 + 310 + 102 + 31 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1013561670564 + 17448560649 = 1006758^2 + 132093^2 .

It is not a de Polignac number, because 1031010231213 - 2⁶ = 1031010231149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031010231217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6364260606 + ... + 6364260767.

Almost surely, 2^{1031010231213} is an apocalyptic number.

It is an amenable number.

1031010231213 is a deficient number, since it is larger than the sum of its proper divisors (509140855041).

1031010231213 is an equidigital number, since it uses as much as digits as its factorization.

1031010231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728521385 (or 12728521376 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031010231213 its reverse (3121320101301), we get a palindrome (4152330332514).

The spelling of 1031010231213 in words is "one trillion, thirty-one billion, ten million, two hundred thirty-one thousand, two hundred thirteen".