1101312002131 has 16 divisors (see below), whose sum is σ = 1218196224000. Its totient is φ = 987318626400.

The previous prime is 1101312002059. The next prime is 1101312002143. The reversal of 1101312002131 is 1312002131011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101312002131 - 2²³ = 1101303613523 is a prime.

It is a super-2 number, since 2×1101312002131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101312006131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189235 + ... + 2644876.

It is an arithmetic number, because the mean of its divisors is an integer number (76137264000).

Almost surely, 2^{1101312002131} is an apocalyptic number.

1101312002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101312002131 is a deficient number, since it is larger than the sum of its proper divisors (116884221869).

1101312002131 is a wasteful number, since it uses less digits than its factorization.

1101312002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834410.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1101312002131 its reverse (1312002131011), we get a palindrome (2413314133142).

The spelling of 1101312002131 in words is "one trillion, one hundred one billion, three hundred twelve million, two thousand, one hundred thirty-one".