11331131020031 has 8 divisors (see below), whose sum is σ = 11546106617760. Its totient is φ = 11118173972832.

The previous prime is 11331131020003. The next prime is 11331131020043. The reversal of 11331131020031 is 13002013113311.

11331131020031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11331131020031 - 2²² = 11331126825727 is a prime.

It is a super-2 number, since 2×11331131020031² (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 = 11331131019985 and 11331131020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131020081) 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, 504626300 + ... + 504648753.

It is an arithmetic number, because the mean of its divisors is an integer number (1443263327220).

Almost surely, 2^{11331131020031} is an apocalyptic number.

11331131020031 is a deficient number, since it is larger than the sum of its proper divisors (214975597729).

11331131020031 is a wasteful number, since it uses less digits than its factorization.

11331131020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009275265.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11331131020031 its reverse (13002013113311), we get a palindrome (24333144133342).

The spelling of 11331131020031 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, twenty thousand, thirty-one".