10401021331 has 8 divisors (see below), whose sum is σ = 10651563824. Its totient is φ = 10150872480.

The previous prime is 10401021317. The next prime is 10401021341. The reversal of 10401021331 is 13312010401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10401021331 is a prime.

It is a super-2 number, since 2×10401021331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10401021341) 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, 44580 + ... + 150961.

It is an arithmetic number, because the mean of its divisors is an integer number (1331445478).

Almost surely, 2^10401021331 is an apocalyptic number.

10401021331 is a deficient number, since it is larger than the sum of its proper divisors (250542493).

10401021331 is a wasteful number, since it uses less digits than its factorization.

10401021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196821.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10401021331 its reverse (13312010401), we get a palindrome (23713031732).

The spelling of 10401021331 in words is "ten billion, four hundred one million, twenty-one thousand, three hundred thirty-one".