213020030323131 has 16 divisors (see below), whose sum is σ = 285766886566656. Its totient is φ = 141143829370016.

The previous prime is 213020030323031. The next prime is 213020030323147. The reversal of 213020030323131 is 131323030020312.

It is a cyclic number.

It is not a de Polignac number, because 213020030323131 - 2¹⁰ = 213020030322107 is a prime.

It is a super-2 number, since 2×213020030323131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213020030323171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69186285 + ... + 72199598.

It is an arithmetic number, because the mean of its divisors is an integer number (17860430410416).

Almost surely, 2^{213020030323131} is an apocalyptic number.

213020030323131 is a deficient number, since it is larger than the sum of its proper divisors (72746856243525).

213020030323131 is a wasteful number, since it uses less digits than its factorization.

213020030323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141388962.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213020030323131 its reverse (131323030020312), we get a palindrome (344343060343443).

The spelling of 213020030323131 in words is "two hundred thirteen trillion, twenty billion, thirty million, three hundred twenty-three thousand, one hundred thirty-one".