10103212311 has 4 divisors (see below), whose sum is σ = 13470949752. Its totient is φ = 6735474872.

The previous prime is 10103212307. The next prime is 10103212313. The reversal of 10103212311 is 11321230101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10103212311 - 2² = 10103212307 is a prime.

It is a super-2 number, since 2×10103212311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103212313) 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, 1683868716 + ... + 1683868721.

It is an arithmetic number, because the mean of its divisors is an integer number (3367737438).

Almost surely, 2^10103212311 is an apocalyptic number.

10103212311 is a deficient number, since it is larger than the sum of its proper divisors (3367737441).

10103212311 is an equidigital number, since it uses as much as digits as its factorization.

10103212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367737440.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10103212311 its reverse (11321230101), we get a palindrome (21424442412).

The spelling of 10103212311 in words is "ten billion, one hundred three million, two hundred twelve thousand, three hundred eleven".