203112002413 has 4 divisors (see below), whose sum is σ = 203464016860. Its totient is φ = 202759987968.

The previous prime is 203112002411. The next prime is 203112002417. The reversal of 203112002413 is 314200211302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202727764009 + 384238404 = 450253^2 + 19602^2 .

It is a cyclic number.

It is not a de Polignac number, because 203112002413 - 2¹ = 203112002411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112002411) 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, 176006358 + ... + 176007511.

It is an arithmetic number, because the mean of its divisors is an integer number (50866004215).

Almost surely, 2^203112002413 is an apocalyptic number.

It is an amenable number.

203112002413 is a deficient number, since it is larger than the sum of its proper divisors (352014447).

203112002413 is an equidigital number, since it uses as much as digits as its factorization.

203112002413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352014446.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203112002413 its reverse (314200211302), we get a palindrome (517312213715).

The spelling of 203112002413 in words is "two hundred three billion, one hundred twelve million, two thousand, four hundred thirteen".