203022232131 has 64 divisors (see below), whose sum is σ = 291722231808. Its totient is φ = 125146280448.

The previous prime is 203022232129. The next prime is 203022232151. The reversal of 203022232131 is 131232220302.

It is a happy number.

It is not a de Polignac number, because 203022232131 - 2¹ = 203022232129 is a prime.

It is a super-2 number, since 2×203022232131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203022232098 and 203022232107.

It is not an unprimeable number, because it can be changed into a prime (203022232151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 530083966 + ... + 530084348.

It is an arithmetic number, because the mean of its divisors is an integer number (4558159872).

Almost surely, 2^203022232131 is an apocalyptic number.

203022232131 is a deficient number, since it is larger than the sum of its proper divisors (88699999677).

203022232131 is a wasteful number, since it uses less digits than its factorization.

203022232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

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

Adding to 203022232131 its reverse (131232220302), we get a palindrome (334254452433).

The spelling of 203022232131 in words is "two hundred three billion, twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".