10321402231 has 4 divisors (see below), whose sum is σ = 11795888272. Its totient is φ = 8846916192.

The previous prime is 10321402213. The next prime is 10321402249. The reversal of 10321402231 is 13220412301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13220412301 = 257 ⋅51441293.

It is an interprime number because it is at equal distance from previous prime (10321402213) and next prime (10321402249).

It is a cyclic number.

It is not a de Polignac number, because 10321402231 - 2¹⁵ = 10321369463 is a prime.

It is a super-2 number, since 2×10321402231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10321402199 and 10321402208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321402261) 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, 737243010 + ... + 737243023.

It is an arithmetic number, because the mean of its divisors is an integer number (2948972068).

Almost surely, 2^10321402231 is an apocalyptic number.

10321402231 is a deficient number, since it is larger than the sum of its proper divisors (1474486041).

10321402231 is an equidigital number, since it uses as much as digits as its factorization.

10321402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474486040.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10321402231 its reverse (13220412301), we get a palindrome (23541814532).

The spelling of 10321402231 in words is "ten billion, three hundred twenty-one million, four hundred two thousand, two hundred thirty-one".