11331230313031 has 16 divisors (see below), whose sum is σ = 11535545032704. Its totient is φ = 11127973326624.

The previous prime is 11331230313023. The next prime is 11331230313107. The reversal of 11331230313031 is 13031303213311.

It is a cyclic number.

It is not a de Polignac number, because 11331230313031 - 2³ = 11331230313023 is a prime.

It is a super-2 number, since 2×11331230313031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331230312987 and 11331230313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331230313131) 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, 67066446 + ... + 67235188.

It is an arithmetic number, because the mean of its divisors is an integer number (720971564544).

Almost surely, 2^{11331230313031} is an apocalyptic number.

11331230313031 is a deficient number, since it is larger than the sum of its proper divisors (204314719673).

11331230313031 is a wasteful number, since it uses less digits than its factorization.

11331230313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171870.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 11331230313031 its reverse (13031303213311), we get a palindrome (24362533526342).

The spelling of 11331230313031 in words is "eleven trillion, three hundred thirty-one billion, two hundred thirty million, three hundred thirteen thousand, thirty-one".