10400338031 has 8 divisors (see below), whose sum is σ = 10420434864. Its totient is φ = 10380261760.

The previous prime is 10400338027. The next prime is 10400338033. The reversal of 10400338031 is 13083300401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10400338031 - 2² = 10400338027 is a prime.

It is a super-2 number, since 2×10400338031² (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 = 10400337988 and 10400338006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400338033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311380 + ... + 1319286.

It is an arithmetic number, because the mean of its divisors is an integer number (1302554358).

Almost surely, 2^10400338031 is an apocalyptic number.

10400338031 is a deficient number, since it is larger than the sum of its proper divisors (20096833).

10400338031 is an equidigital number, since it uses as much as digits as its factorization.

10400338031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10400338031 its reverse (13083300401), we get a palindrome (23483638432).

The spelling of 10400338031 in words is "ten billion, four hundred million, three hundred thirty-eight thousand, thirty-one".