3102031031213 has 8 divisors (see below), whose sum is σ = 3113183200248. Its totient is φ = 3090894027264.

The previous prime is 3102031031191. The next prime is 3102031031249. The reversal of 3102031031213 is 3121301302013.

It can be written as a sum of positive squares in 4 ways, for example, as 1178533873609 + 1923497157604 = 1085603^2 + 1386902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3102031031213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102031031273) 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, 3381356 + ... + 4199717.

It is an arithmetic number, because the mean of its divisors is an integer number (389147900031).

Almost surely, 2^{3102031031213} is an apocalyptic number.

It is an amenable number.

3102031031213 is a deficient number, since it is larger than the sum of its proper divisors (11152169035).

3102031031213 is a wasteful number, since it uses less digits than its factorization.

3102031031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582543.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3102031031213 its reverse (3121301302013), we get a palindrome (6223332333226).

The spelling of 3102031031213 in words is "three trillion, one hundred two billion, thirty-one million, thirty-one thousand, two hundred thirteen".