1312333101 has 6 divisors (see below), whose sum is σ = 1895592270. Its totient is φ = 874888728.

The previous prime is 1312333093. The next prime is 1312333111. The reversal of 1312333101 is 1013332131.

It is a happy number.

1312333101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 854159076 + 458174025 = 29226^2 + 21405^2 .

It is not a de Polignac number, because 1312333101 - 2³ = 1312333093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312333111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72907386 + ... + 72907403.

It is an arithmetic number, because the mean of its divisors is an integer number (315932045).

Almost surely, 2^1312333101 is an apocalyptic number.

It is an amenable number.

1312333101 is a deficient number, since it is larger than the sum of its proper divisors (583259169).

1312333101 is a wasteful number, since it uses less digits than its factorization.

1312333101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145814795 (or 145814792 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1312333101 is about 36226.1383672066. The cubic root of 1312333101 is about 1094.8333742831.

Adding to 1312333101 its reverse (1013332131), we get a palindrome (2325665232).

The spelling of 1312333101 in words is "one billion, three hundred twelve million, three hundred thirty-three thousand, one hundred one".