3213131321534 has 8 divisors (see below), whose sum is σ = 4819879715688. Its totient is φ = 1606504749640.

The previous prime is 3213131321431. The next prime is 3213131321557. The reversal of 3213131321534 is 4351231313123.

3213131321534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×3213131321534² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3213131321534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30389597 + ... + 30495144.

It is an arithmetic number, because the mean of its divisors is an integer number (602484964461).

Almost surely, 2^{3213131321534} is an apocalyptic number.

3213131321534 is a deficient number, since it is larger than the sum of its proper divisors (1606748394154).

3213131321534 is a wasteful number, since it uses less digits than its factorization.

3213131321534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60911130.

The product of its digits is 19440, while the sum is 32.

Adding to 3213131321534 its reverse (4351231313123), we get a palindrome (7564362634657).

The spelling of 3213131321534 in words is "three trillion, two hundred thirteen billion, one hundred thirty-one million, three hundred twenty-one thousand, five hundred thirty-four".