203031234131 has 16 divisors (see below), whose sum is σ = 230498231040. Its totient is φ = 177142066080.

The previous prime is 203031234089. The next prime is 203031234169. The reversal of 203031234131 is 131432130302.

It is a cyclic number.

It is not a de Polignac number, because 203031234131 - 2¹⁰ = 203031233107 is a prime.

It is a super-2 number, since 2×203031234131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203031234097 and 203031234106.

It is not an unprimeable number, because it can be changed into a prime (203031234031) 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, 1852301 + ... + 1958846.

It is an arithmetic number, because the mean of its divisors is an integer number (14406139440).

Almost surely, 2^203031234131 is an apocalyptic number.

203031234131 is a deficient number, since it is larger than the sum of its proper divisors (27466996909).

203031234131 is a wasteful number, since it uses less digits than its factorization.

203031234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811354.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203031234131 its reverse (131432130302), we get a palindrome (334463364433).

The spelling of 203031234131 in words is "two hundred three billion, thirty-one million, two hundred thirty-four thousand, one hundred thirty-one".