203045401131 has 4 divisors (see below), whose sum is σ = 270727201512. Its totient is φ = 135363600752.

The previous prime is 203045401109. The next prime is 203045401133. The reversal of 203045401131 is 131104540302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 203045401131 - 2⁶ = 203045401067 is a prime.

It is a super-2 number, since 2×203045401131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203045401133) 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, 33840900186 + ... + 33840900191.

It is an arithmetic number, because the mean of its divisors is an integer number (67681800378).

Almost surely, 2^203045401131 is an apocalyptic number.

203045401131 is a deficient number, since it is larger than the sum of its proper divisors (67681800381).

203045401131 is an equidigital number, since it uses as much as digits as its factorization.

203045401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67681800380.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 203045401131 its reverse (131104540302), we get a palindrome (334149941433).

The spelling of 203045401131 in words is "two hundred three billion, forty-five million, four hundred one thousand, one hundred thirty-one".