1011311132331 has 8 divisors (see below), whose sum is σ = 1349144907264. Its totient is φ = 673842389480.

The previous prime is 1011311132317. The next prime is 1011311132341. The reversal of 1011311132331 is 1332311131101.

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 1011311132331 - 2²⁷ = 1011176914603 is a prime.

It is a super-2 number, since 2×1011311132331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011311132298 and 1011311132307.

It is not an unprimeable number, because it can be changed into a prime (1011311132341) 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, 91251555 + ... + 91262636.

It is an arithmetic number, because the mean of its divisors is an integer number (168643113408).

Almost surely, 2^{1011311132331} is an apocalyptic number.

1011311132331 is a deficient number, since it is larger than the sum of its proper divisors (337833774933).

1011311132331 is a wasteful number, since it uses less digits than its factorization.

1011311132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182516041.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1011311132331 its reverse (1332311131101), we get a palindrome (2343622263432).

The spelling of 1011311132331 in words is "one trillion, eleven billion, three hundred eleven million, one hundred thirty-two thousand, three hundred thirty-one".