10401002003 has 8 divisors (see below), whose sum is σ = 12129448800. Its totient is φ = 8915144280.

The previous prime is 10401001993. The next prime is 10401002023. The reversal of 10401002003 is 30020010401.

It is a happy number.

It is not a de Polignac number, because 10401002003 - 2⁸ = 10401001747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10401002023) 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, 15161468 + ... + 15162153.

It is an arithmetic number, because the mean of its divisors is an integer number (1516181100).

Almost surely, 2^10401002003 is an apocalyptic number.

10401002003 is a deficient number, since it is larger than the sum of its proper divisors (1728446797).

10401002003 is an frugal number, since it uses more digits than its factorization.

10401002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30323642 (or 30323628 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10401002003 its reverse (30020010401), we get a palindrome (40421012404).

The spelling of 10401002003 in words is "ten billion, four hundred one million, two thousand, three".