203202130431 has 32 divisors (see below), whose sum is σ = 275068493568. Its totient is φ = 133419985920.

The previous prime is 203202130421. The next prime is 203202130499. The reversal of 203202130431 is 134031202302.

It is not a de Polignac number, because 203202130431 - 2⁵ = 203202130399 is a prime.

It is a super-2 number, since 2×203202130431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203202130398 and 203202130407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203202130421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56177935 + ... + 56181551.

It is an arithmetic number, because the mean of its divisors is an integer number (8595890424).

Almost surely, 2^203202130431 is an apocalyptic number.

203202130431 is a deficient number, since it is larger than the sum of its proper divisors (71866363137).

203202130431 is a wasteful number, since it uses less digits than its factorization.

203202130431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203202130431 its reverse (134031202302), we get a palindrome (337233332733).

The spelling of 203202130431 in words is "two hundred three billion, two hundred two million, one hundred thirty thousand, four hundred thirty-one".