2403401313331 has 16 divisors (see below), whose sum is σ = 2592809584416. Its totient is φ = 2219592646656.

The previous prime is 2403401313329. The next prime is 2403401313403. The reversal of 2403401313331 is 1333131043042.

It is a cyclic number.

It is not a de Polignac number, because 2403401313331 - 2¹ = 2403401313329 is a prime.

It is a super-2 number, since 2×2403401313331² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2403401313331.

It is not an unprimeable number, because it can be changed into a prime (2403401113331) 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, 3812526 + ... + 4397971.

It is an arithmetic number, because the mean of its divisors is an integer number (162050599026).

Almost surely, 2^{2403401313331} is an apocalyptic number.

2403401313331 is a deficient number, since it is larger than the sum of its proper divisors (189408271085).

2403401313331 is a wasteful number, since it uses less digits than its factorization.

2403401313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210838.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 2403401313331 its reverse (1333131043042), we get a palindrome (3736532356373).

The spelling of 2403401313331 in words is "two trillion, four hundred three billion, four hundred one million, three hundred thirteen thousand, three hundred thirty-one".