1050131213 has 4 divisors (see below), whose sum is σ = 1053842208. Its totient is φ = 1046420220.

The previous prime is 1050131153. The next prime is 1050131221. The reversal of 1050131213 is 3121310501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3121310501 = 15647 ⋅199483.

It is a cyclic number.

It is not a de Polignac number, because 1050131213 - 2⁶ = 1050131149 is a prime.

It is a super-2 number, since 2×1050131213² = 2205551129033702738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1050131191 and 1050131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050131513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855073 + ... + 1855638.

It is an arithmetic number, because the mean of its divisors is an integer number (263460552).

Almost surely, 2^1050131213 is an apocalyptic number.

It is an amenable number.

1050131213 is a deficient number, since it is larger than the sum of its proper divisors (3710995).

1050131213 is an equidigital number, since it uses as much as digits as its factorization.

1050131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710994.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1050131213 is about 32405.7280893363. The cubic root of 1050131213 is about 1016.4386929610.

Adding to 1050131213 its reverse (3121310501), we get a palindrome (4171441714).

It can be divided in two parts, 10501 and 31213, that added together give a palindrome (41714).

The spelling of 1050131213 in words is "one billion, fifty million, one hundred thirty-one thousand, two hundred thirteen".