3121230303231 has 32 divisors (see below), whose sum is σ = 4525931003328. Its totient is φ = 1905322383360.

The previous prime is 3121230303199. The next prime is 3121230303287. The reversal of 3121230303231 is 1323030321213.

It is not a de Polignac number, because 3121230303231 - 2⁵ = 3121230303199 is a prime.

It is a super-2 number, since 2×3121230303231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121230303731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23598921 + ... + 23730813.

It is an arithmetic number, because the mean of its divisors is an integer number (141435343854).

Almost surely, 2^{3121230303231} is an apocalyptic number.

3121230303231 is a deficient number, since it is larger than the sum of its proper divisors (1404700700097).

3121230303231 is a wasteful number, since it uses less digits than its factorization.

3121230303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144491.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 3121230303231 its reverse (1323030321213), we get a palindrome (4444260624444).

The spelling of 3121230303231 in words is "three trillion, one hundred twenty-one billion, two hundred thirty million, three hundred three thousand, two hundred thirty-one".