212002331131 has 4 divisors (see below), whose sum is σ = 212005504264. Its totient is φ = 211999158000.

The previous prime is 212002331089. The next prime is 212002331141. The reversal of 212002331131 is 131133200212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212002331131 - 2²⁵ = 211968776699 is a prime.

It is a super-2 number, since 2×212002331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002331099 and 212002331108.

It is not an unprimeable number, because it can be changed into a prime (212002331141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484145 + ... + 1620706.

It is an arithmetic number, because the mean of its divisors is an integer number (53001376066).

Almost surely, 2^212002331131 is an apocalyptic number.

212002331131 is a deficient number, since it is larger than the sum of its proper divisors (3173133).

212002331131 is an equidigital number, since it uses as much as digits as its factorization.

212002331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173132.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212002331131 its reverse (131133200212), we get a palindrome (343135531343).

The spelling of 212002331131 in words is "two hundred twelve billion, two million, three hundred thirty-one thousand, one hundred thirty-one".