10031220413 has 4 divisors (see below), whose sum is σ = 10621292220. Its totient is φ = 9441148608.

The previous prime is 10031220383. The next prime is 10031220421. The reversal of 10031220413 is 31402213001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5659101529 + 4372118884 = 75227^2 + 66122^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031220413 - 2¹² = 10031216317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 590071789 = 10031220413 / (1 + 0 + 0 + 3 + 1 + 2 + 2 + 0 + 4 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10031220391 and 10031220400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031220443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295035878 + ... + 295035911.

It is an arithmetic number, because the mean of its divisors is an integer number (2655323055).

Almost surely, 2^10031220413 is an apocalyptic number.

It is an amenable number.

10031220413 is a deficient number, since it is larger than the sum of its proper divisors (590071807).

10031220413 is an equidigital number, since it uses as much as digits as its factorization.

10031220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590071806.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10031220413 its reverse (31402213001), we get a palindrome (41433433414).

The spelling of 10031220413 in words is "ten billion, thirty-one million, two hundred twenty thousand, four hundred thirteen".