1312313101 has 4 divisors (see below), whose sum is σ = 1431614304. Its totient is φ = 1193011900.

The previous prime is 1312313063. The next prime is 1312313129. The reversal of 1312313101 is 1013132131.

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.

It is a cyclic number.

It is not a de Polignac number, because 1312313101 - 2⁷ = 1312312973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312313131) 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, 59650585 + ... + 59650606.

It is an arithmetic number, because the mean of its divisors is an integer number (357903576).

Almost surely, 2^1312313101 is an apocalyptic number.

1312313101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312313101 is a deficient number, since it is larger than the sum of its proper divisors (119301203).

1312313101 is a wasteful number, since it uses less digits than its factorization.

1312313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119301202.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1312313101 is about 36225.8623223796. The cubic root of 1312313101 is about 1094.8278124892.

Adding to 1312313101 its reverse (1013132131), we get a palindrome (2325445232).

It can be divided in two parts, 1312 and 313101, that added together give a palindrome (314413).

The spelling of 1312313101 in words is "one billion, three hundred twelve million, three hundred thirteen thousand, one hundred one".