1011313100331 has 16 divisors (see below), whose sum is σ = 1563382571520. Its totient is φ = 644895309960.

The previous prime is 1011313100323. The next prime is 1011313100383. The reversal of 1011313100331 is 1330013131101.

1011313100331 is a `hidden beast` number, since 1 + 0 + 11 + 313 + 10 + 0 + 331 = 666.

It is not a de Polignac number, because 1011313100331 - 2³ = 1011313100323 is a prime.

It is a super-2 number, since 2×1011313100331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011313100311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814261135 + ... + 814262376.

It is an arithmetic number, because the mean of its divisors is an integer number (97711410720).

Almost surely, 2^{1011313100331} is an apocalyptic number.

1011313100331 is a deficient number, since it is larger than the sum of its proper divisors (552069471189).

1011313100331 is a wasteful number, since it uses less digits than its factorization.

1011313100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628523543 (or 1628523537 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1011313100331 its reverse (1330013131101), we get a palindrome (2341326231432).

The spelling of 1011313100331 in words is "one trillion, eleven billion, three hundred thirteen million, one hundred thousand, three hundred thirty-one".