3213121020131 has 8 divisors (see below), whose sum is σ = 3506372598000. Its totient is φ = 2920061053440.

The previous prime is 3213121020097. The next prime is 3213121020139. The reversal of 3213121020131 is 1310201213123.

It is a happy number.

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 3213121020131 - 2³⁸ = 2938243113187 is a prime.

It is a super-2 number, since 2×3213121020131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213121020139) 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, 47867726 + ... + 47934803.

It is an arithmetic number, because the mean of its divisors is an integer number (438296574750).

Almost surely, 2^{3213121020131} is an apocalyptic number.

3213121020131 is a deficient number, since it is larger than the sum of its proper divisors (293251577869).

3213121020131 is a wasteful number, since it uses less digits than its factorization.

3213121020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95805589.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3213121020131 its reverse (1310201213123), we get a palindrome (4523322233254).

The spelling of 3213121020131 in words is "three trillion, two hundred thirteen billion, one hundred twenty-one million, twenty thousand, one hundred thirty-one".