231103031212331 has 16 divisors (see below), whose sum is σ = 241546254336000. Its totient is φ = 220692852508128.

The previous prime is 231103031212307. The next prime is 231103031212337. The reversal of 231103031212331 is 133212130301132.

It is a cyclic number.

It is not a de Polignac number, because 231103031212331 - 2¹⁴ = 231103031195947 is a prime.

It is a super-2 number, since 2×231103031212331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231103031212331.

It is not an unprimeable number, because it can be changed into a prime (231103031212337) 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, 95327510 + ... + 97721748.

It is an arithmetic number, because the mean of its divisors is an integer number (15096640896000).

Almost surely, 2^{231103031212331} is an apocalyptic number.

231103031212331 is a deficient number, since it is larger than the sum of its proper divisors (10443223123669).

231103031212331 is a wasteful number, since it uses less digits than its factorization.

231103031212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401138.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231103031212331 its reverse (133212130301132), we get a palindrome (364315161513463).

The spelling of 231103031212331 in words is "two hundred thirty-one trillion, one hundred three billion, thirty-one million, two hundred twelve thousand, three hundred thirty-one".