1312111022303 has 8 divisors (see below), whose sum is σ = 1342757710800. Its totient is φ = 1281470355648.

The previous prime is 1312111022293. The next prime is 1312111022311. The reversal of 1312111022303 is 3032201112131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312111022303 - 2²⁴ = 1312094245087 is a prime.

It is a super-3 number, since 3×1312111022303³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312111022333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063088 + ... + 1937621.

It is an arithmetic number, because the mean of its divisors is an integer number (167844713850).

Almost surely, 2^{1312111022303} is an apocalyptic number.

1312111022303 is a deficient number, since it is larger than the sum of its proper divisors (30646688497).

1312111022303 is a wasteful number, since it uses less digits than its factorization.

1312111022303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010921.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312111022303 its reverse (3032201112131), we get a palindrome (4344312134434).

The spelling of 1312111022303 in words is "one trillion, three hundred twelve billion, one hundred eleven million, twenty-two thousand, three hundred three".