213023031121131 has 16 divisors (see below), whose sum is σ = 354116207578368. Its totient is φ = 110661314868000.

The previous prime is 213023031120983. The next prime is 213023031121133. The reversal of 213023031121131 is 131121130320312.

213023031121131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213023031121131 - 2¹³ = 213023031112939 is a prime.

It is a super-2 number, since 2×213023031121131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213023031121133) 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, 461088811720 + ... + 461088812181.

It is an arithmetic number, because the mean of its divisors is an integer number (22132262973648).

Almost surely, 2^{213023031121131} is an apocalyptic number.

213023031121131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213023031121131 is a deficient number, since it is larger than the sum of its proper divisors (141093176457237).

213023031121131 is a wasteful number, since it uses less digits than its factorization.

213023031121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922177623922.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 213023031121131 its reverse (131121130320312), we get a palindrome (344144161441443).

The spelling of 213023031121131 in words is "two hundred thirteen trillion, twenty-three billion, thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".