1101312321131 has 8 divisors (see below), whose sum is σ = 1253667780864. Its totient is φ = 957662887720.

The previous prime is 1101312321107. The next prime is 1101312321133. The reversal of 1101312321131 is 1311232131011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101312321131 - 2²² = 1101308126827 is a prime.

It is a super-2 number, since 2×1101312321131² (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 (1101312321133) 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, 2176506311 + ... + 2176506816.

It is an arithmetic number, because the mean of its divisors is an integer number (156708472608).

Almost surely, 2^{1101312321131} is an apocalyptic number.

1101312321131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101312321131 is a deficient number, since it is larger than the sum of its proper divisors (152355459733).

1101312321131 is a wasteful number, since it uses less digits than its factorization.

1101312321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353013161.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1101312321131 its reverse (1311232131011), we get a palindrome (2412544452142).

The spelling of 1101312321131 in words is "one trillion, one hundred one billion, three hundred twelve million, three hundred twenty-one thousand, one hundred thirty-one".