10321313031 has 16 divisors (see below), whose sum is σ = 15550003200. Its totient is φ = 6764249304.

The previous prime is 10321313021. The next prime is 10321313039. The reversal of 10321313031 is 13031312301.

It is a happy number.

10321313031 is a `hidden beast` number, since 1 + 0 + 321 + 313 + 0 + 31 = 666.

It is not a de Polignac number, because 10321313031 - 2¹³ = 10321304839 is a prime.

It is a super-2 number, since 2×10321313031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10321312995 and 10321313013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321313039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3237991 + ... + 3241176.

It is an arithmetic number, because the mean of its divisors is an integer number (971875200).

Almost surely, 2^10321313031 is an apocalyptic number.

10321313031 is a deficient number, since it is larger than the sum of its proper divisors (5228690169).

10321313031 is an equidigital number, since it uses as much as digits as its factorization.

10321313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479235 (or 6479229 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 10321313031 its reverse (13031312301), we get a palindrome (23352625332).

The spelling of 10321313031 in words is "ten billion, three hundred twenty-one million, three hundred thirteen thousand, thirty-one".