20031532310404 has 6 divisors (see below), whose sum is σ = 35055181543214. Its totient is φ = 10015766155200.

The previous prime is 20031532310399. The next prime is 20031532310417. The reversal of 20031532310404 is 40401323513002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19330882956100 + 700649354304 = 4396690^2 + 837048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503941538797 + ... + 2503941538804.

Almost surely, 2^{20031532310404} is an apocalyptic number.

It is an amenable number.

20031532310404 is a deficient number, since it is larger than the sum of its proper divisors (15023649232810).

20031532310404 is a wasteful number, since it uses less digits than its factorization.

20031532310404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007883077605 (or 5007883077603 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20031532310404 its reverse (40401323513002), we get a palindrome (60432855823406).

The spelling of 20031532310404 in words is "twenty trillion, thirty-one billion, five hundred thirty-two million, three hundred ten thousand, four hundred four".