203123042232131 has 24 divisors (see below), whose sum is σ = 241783219459584. Its totient is φ = 170054947072080.

The previous prime is 203123042232113. The next prime is 203123042232163. The reversal of 203123042232131 is 131232240321302.

203123042232131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-203123042232131 is a prime.

It is a super-2 number, since 2×203123042232131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203123042232094 and 203123042232103.

It is not an unprimeable number, because it can be changed into a prime (203123042232431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269553626 + ... + 270306128.

It is an arithmetic number, because the mean of its divisors is an integer number (10074300810816).

Almost surely, 2^{203123042232131} is an apocalyptic number.

203123042232131 is a deficient number, since it is larger than the sum of its proper divisors (38660177227453).

203123042232131 is a wasteful number, since it uses less digits than its factorization.

203123042232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880671 (or 880664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 203123042232131 its reverse (131232240321302), we get a palindrome (334355282553433).

The spelling of 203123042232131 in words is "two hundred three trillion, one hundred twenty-three billion, forty-two million, two hundred thirty-two thousand, one hundred thirty-one".