10220320031 has 4 divisors (see below), whose sum is σ = 10413156312. Its totient is φ = 10027483752.

The previous prime is 10220320027. The next prime is 10220320063. The reversal of 10220320031 is 13002302201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10220320031 - 2² = 10220320027 is a prime.

It is a super-2 number, since 2×10220320031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220319988 and 10220320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220320021) 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, 96418061 + ... + 96418166.

It is an arithmetic number, because the mean of its divisors is an integer number (2603289078).

Almost surely, 2^10220320031 is an apocalyptic number.

10220320031 is a deficient number, since it is larger than the sum of its proper divisors (192836281).

10220320031 is an equidigital number, since it uses as much as digits as its factorization.

10220320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192836280.

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

Adding to 10220320031 its reverse (13002302201), we get a palindrome (23222622232).

The spelling of 10220320031 in words is "ten billion, two hundred twenty million, three hundred twenty thousand, thirty-one".