2031123532064 has 24 divisors (see below), whose sum is σ = 4362299404848. Its totient is φ = 923237968960.

The previous prime is 2031123531893. The next prime is 2031123532073. The reversal of 2031123532064 is 4602353211302.

It is a super-2 number, since 2×2031123532064² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2031123532064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885118302 + ... + 2885119005.

It is an arithmetic number, because the mean of its divisors is an integer number (181762475202).

Almost surely, 2^{2031123532064} is an apocalyptic number.

It is an amenable number.

2031123532064 is an abundant number, since it is smaller than the sum of its proper divisors (2331175872784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031123532064 is a wasteful number, since it uses less digits than its factorization.

2031123532064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770237328 (or 5770237320 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 2031123532064 its reverse (4602353211302), we get a palindrome (6633476743366).

The spelling of 2031123532064 in words is "two trillion, thirty-one billion, one hundred twenty-three million, five hundred thirty-two thousand, sixty-four".