11331012001031 has 16 divisors (see below), whose sum is σ = 11940265819584. Its totient is φ = 10731667398144.

The previous prime is 11331012001021. The next prime is 11331012001051. The reversal of 11331012001031 is 13010021013311.

It is a cyclic number.

It is not a de Polignac number, because 11331012001031 - 2³⁸ = 11056134094087 is a prime.

It is a super-2 number, since 2×11331012001031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331012001021) 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, 404765 + ... + 4777641.

It is an arithmetic number, because the mean of its divisors is an integer number (746266613724).

Almost surely, 2^{11331012001031} is an apocalyptic number.

11331012001031 is a deficient number, since it is larger than the sum of its proper divisors (609253818553).

11331012001031 is a wasteful number, since it uses less digits than its factorization.

11331012001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374010.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11331012001031 its reverse (13010021013311), we get a palindrome (24341033014342).

The spelling of 11331012001031 in words is "eleven trillion, three hundred thirty-one billion, twelve million, one thousand, thirty-one".