20031040310 has 32 divisors (see below), whose sum is σ = 36660412512. Its totient is φ = 7878170880.

The previous prime is 20031040307. The next prime is 20031040361. The reversal of 20031040310 is 1304013002.

It is a super-2 number, since 2×20031040310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529377 + ... + 2537283.

It is an arithmetic number, because the mean of its divisors is an integer number (1145637891).

Almost surely, 2^20031040310 is an apocalyptic number.

20031040310 is a deficient number, since it is larger than the sum of its proper divisors (16629372202).

20031040310 is a wasteful number, since it uses less digits than its factorization.

20031040310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20031040310 its reverse (1304013002), we get a palindrome (21335053312).

The spelling of 20031040310 in words is "twenty billion, thirty-one million, forty thousand, three hundred ten".