2000031222231 has 128 divisors (see below), whose sum is σ = 3592601600000. Its totient is φ = 1098029247840.

The previous prime is 2000031222227. The next prime is 2000031222239. The reversal of 2000031222231 is 1322221300002.

It is not a de Polignac number, because 2000031222231 - 2² = 2000031222227 is a prime.

It is a super-2 number, since 2×2000031222231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000031222239) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39880590 + ... + 39930708.

It is an arithmetic number, because the mean of its divisors is an integer number (28067200000).

Almost surely, 2^{2000031222231} is an apocalyptic number.

2000031222231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2000031222231 is a deficient number, since it is larger than the sum of its proper divisors (1592570377769).

2000031222231 is a wasteful number, since it uses less digits than its factorization.

2000031222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50319 (or 50299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2000031222231 its reverse (1322221300002), we get a palindrome (3322252522233).

The spelling of 2000031222231 in words is "two trillion, thirty-one million, two hundred twenty-two thousand, two hundred thirty-one".