1313201131011 has 48 divisors (see below), whose sum is σ = 2385827458560. Its totient is φ = 676145352960.

The previous prime is 1313201131007. The next prime is 1313201131013. The reversal of 1313201131011 is 1101311023131.

1313201131011 is a `hidden beast` number, since 1 + 31 + 320 + 1 + 1 + 310 + 1 + 1 = 666.

It is not a de Polignac number, because 1313201131011 - 2² = 1313201131007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313201131013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8306431 + ... + 8463048.

It is an arithmetic number, because the mean of its divisors is an integer number (49704738720).

Almost surely, 2^{1313201131011} is an apocalyptic number.

1313201131011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1313201131011 is a deficient number, since it is larger than the sum of its proper divisors (1072626327549).

1313201131011 is a wasteful number, since it uses less digits than its factorization.

1313201131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16769616 (or 16769613 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1313201131011 its reverse (1101311023131), we get a palindrome (2414512154142).

The spelling of 1313201131011 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred thirty-one thousand, eleven".