1131020001331 has 8 divisors (see below), whose sum is σ = 1263933660528. Its totient is φ = 1003121952000.

The previous prime is 1131020001313. The next prime is 1131020001343. The reversal of 1131020001331 is 1331000201311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131020001331 - 2¹⁷ = 1131019870259 is a prime.

It is a super-2 number, since 2×1131020001331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131020001311) 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 7 ways as a sum of consecutive naturals, for example, 1253901990 + ... + 1253902891.

It is an arithmetic number, because the mean of its divisors is an integer number (157991707566).

Almost surely, 2^{1131020001331} is an apocalyptic number.

1131020001331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1131020001331 is a deficient number, since it is larger than the sum of its proper divisors (132913659197).

1131020001331 is a wasteful number, since it uses less digits than its factorization.

1131020001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507804933.

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

Adding to 1131020001331 its reverse (1331000201311), we get a palindrome (2462020202642).

The spelling of 1131020001331 in words is "one trillion, one hundred thirty-one billion, twenty million, one thousand, three hundred thirty-one".