10220031291 has 4 divisors (see below), whose sum is σ = 13626708392. Its totient is φ = 6813354192.

The previous prime is 10220031251. The next prime is 10220031293. The reversal of 10220031291 is 19213002201.

10220031291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19213002201 = 3 ⋅6404334067.

It is not a de Polignac number, because 10220031291 - 2¹⁴ = 10220014907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220031293) 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, 1703338546 + ... + 1703338551.

It is an arithmetic number, because the mean of its divisors is an integer number (3406677098).

Almost surely, 2^10220031291 is an apocalyptic number.

10220031291 is a deficient number, since it is larger than the sum of its proper divisors (3406677101).

10220031291 is an equidigital number, since it uses as much as digits as its factorization.

10220031291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406677100.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10220031291 its reverse (19213002201), we get a palindrome (29433033492).

The spelling of 10220031291 in words is "ten billion, two hundred twenty million, thirty-one thousand, two hundred ninety-one".