3021531213213 has 48 divisors (see below), whose sum is σ = 4703911729920. Its totient is φ = 1862164242432.

The previous prime is 3021531213133. The next prime is 3021531213241. The reversal of 3021531213213 is 3123121351203.

3021531213213 is a `hidden beast` number, since 3 + 0 + 21 + 5 + 312 + 1 + 321 + 3 = 666.

It is not a de Polignac number, because 3021531213213 - 2⁹ = 3021531212701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021531613213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1685170 + ... + 2980412.

It is an arithmetic number, because the mean of its divisors is an integer number (97998161040).

Almost surely, 2^{3021531213213} is an apocalyptic number.

It is an amenable number.

3021531213213 is a deficient number, since it is larger than the sum of its proper divisors (1682380516707).

3021531213213 is a wasteful number, since it uses less digits than its factorization.

3021531213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295538 (or 1295535 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 3021531213213 its reverse (3123121351203), we get a palindrome (6144652564416).

The spelling of 3021531213213 in words is "three trillion, twenty-one billion, five hundred thirty-one million, two hundred thirteen thousand, two hundred thirteen".