1312113026 has 16 divisors (see below), whose sum is σ = 2251922496. Its totient is φ = 561687696.

The previous prime is 1312113007. The next prime is 1312113029. The reversal of 1312113026 is 6203112131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312112989 and 1312113007.

It is not an unprimeable number, because it can be changed into a prime (1312113029) 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, 41156 + ... + 65711.

It is an arithmetic number, because the mean of its divisors is an integer number (140745156).

Almost surely, 2^1312113026 is an apocalyptic number.

1312113026 is a deficient number, since it is larger than the sum of its proper divisors (939809470).

1312113026 is a wasteful number, since it uses less digits than its factorization.

1312113026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107753.

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

The square root of 1312113026 is about 36223.1007231573. The cubic root of 1312113026 is about 1094.7721705830.

Adding to 1312113026 its reverse (6203112131), we get a palindrome (7515225157).

The spelling of 1312113026 in words is "one billion, three hundred twelve million, one hundred thirteen thousand, twenty-six".