10311314021 has 4 divisors (see below), whose sum is σ = 10452564972. Its totient is φ = 10170063072.

The previous prime is 10311314009. The next prime is 10311314059. The reversal of 10311314021 is 12041311301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12041311301 = 113 ⋅106560277.

It can be written as a sum of positive squares in 2 ways, for example, as 4189972900 + 6121341121 = 64730^2 + 78239^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311314021 - 2¹⁴ = 10311297637 is a prime.

It is a super-3 number, since 3×10311314021³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311314081) 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, 70625366 + ... + 70625511.

It is an arithmetic number, because the mean of its divisors is an integer number (2613141243).

Almost surely, 2^10311314021 is an apocalyptic number.

It is an amenable number.

10311314021 is a deficient number, since it is larger than the sum of its proper divisors (141250951).

10311314021 is an equidigital number, since it uses as much as digits as its factorization.

10311314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141250950.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10311314021 its reverse (12041311301), we get a palindrome (22352625322).

The spelling of 10311314021 in words is "ten billion, three hundred eleven million, three hundred fourteen thousand, twenty-one".