10031220404 has 6 divisors (see below), whose sum is σ = 17554635714. Its totient is φ = 5015610200.

The previous prime is 10031220383. The next prime is 10031220421. The reversal of 10031220404 is 40402213001.

It can be written as a sum of positive squares in only one way, i.e., 9554671504 + 476548900 = 97748^2 + 21830^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253902547 + ... + 1253902554.

It is an arithmetic number, because the mean of its divisors is an integer number (2925772619).

Almost surely, 2^10031220404 is an apocalyptic number.

It is an amenable number.

10031220404 is a deficient number, since it is larger than the sum of its proper divisors (7523415310).

10031220404 is a wasteful number, since it uses less digits than its factorization.

10031220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507805105 (or 2507805103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10031220404 its reverse (40402213001), we get a palindrome (50433433405).

The spelling of 10031220404 in words is "ten billion, thirty-one million, two hundred twenty thousand, four hundred four".