11231103012031 has 6 divisors (see below), whose sum is σ = 13064752483440. Its totient is φ = 9626659724556.

The previous prime is 11231103012029. The next prime is 11231103012091. The reversal of 11231103012031 is 13021030113211.

It is not a de Polignac number, because 11231103012031 - 2¹ = 11231103012029 is a prime.

It is a super-2 number, since 2×11231103012031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231103012091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114603091911 + ... + 114603092008.

It is an arithmetic number, because the mean of its divisors is an integer number (2177458747240).

Almost surely, 2^{11231103012031} is an apocalyptic number.

11231103012031 is a deficient number, since it is larger than the sum of its proper divisors (1833649471409).

11231103012031 is an equidigital number, since it uses as much as digits as its factorization.

11231103012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229206183933 (or 229206183926 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11231103012031 its reverse (13021030113211), we get a palindrome (24252133125242).

The spelling of 11231103012031 in words is "eleven trillion, two hundred thirty-one billion, one hundred three million, twelve thousand, thirty-one".