202401331403 has 4 divisors (see below), whose sum is σ = 202429399248. Its totient is φ = 202373263560.

The previous prime is 202401331387. The next prime is 202401331409. The reversal of 202401331403 is 304133104202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304133104202 = 2 ⋅152066552101.

It is a cyclic number.

It is not a de Polignac number, because 202401331403 - 2⁴ = 202401331387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202401331409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14023103 + ... + 14037528.

It is an arithmetic number, because the mean of its divisors is an integer number (50607349812).

Almost surely, 2^202401331403 is an apocalyptic number.

202401331403 is a deficient number, since it is larger than the sum of its proper divisors (28067845).

202401331403 is an equidigital number, since it uses as much as digits as its factorization.

202401331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28067844.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202401331403 its reverse (304133104202), we get a palindrome (506534435605).

The spelling of 202401331403 in words is "two hundred two billion, four hundred one million, three hundred thirty-one thousand, four hundred three".