3131102233321 has 8 divisors (see below), whose sum is σ = 3315369696264. Its totient is φ = 2946844212480.

The previous prime is 3131102233297. The next prime is 3131102233411. The reversal of 3131102233321 is 1233322011313.

It can be written as a sum of positive squares in 4 ways, for example, as 391795876096 + 2739306357225 = 625936^2 + 1655085^2 .

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 3131102233321 - 2²³ = 3131093844713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131102233621) 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, 1672050 + ... + 3009643.

It is an arithmetic number, because the mean of its divisors is an integer number (414421212033).

Almost surely, 2^{3131102233321} is an apocalyptic number.

It is an amenable number.

3131102233321 is a deficient number, since it is larger than the sum of its proper divisors (184267462943).

3131102233321 is a wasteful number, since it uses less digits than its factorization.

3131102233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721051.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3131102233321 its reverse (1233322011313), we get a palindrome (4364424244634).

The spelling of 3131102233321 in words is "three trillion, one hundred thirty-one billion, one hundred two million, two hundred thirty-three thousand, three hundred twenty-one".