203112132131 has 8 divisors (see below), whose sum is σ = 204274010304. Its totient is φ = 201951383040.

The previous prime is 203112132127. The next prime is 203112132203. The reversal of 203112132131 is 131231211302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203112132131 - 2² = 203112132127 is a prime.

It is a super-2 number, since 2×203112132131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203112132101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79865 + ... + 642341.

It is an arithmetic number, because the mean of its divisors is an integer number (25534251288).

Almost surely, 2^203112132131 is an apocalyptic number.

203112132131 is a deficient number, since it is larger than the sum of its proper divisors (1161878173).

203112132131 is a wasteful number, since it uses less digits than its factorization.

203112132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564541.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203112132131 its reverse (131231211302), we get a palindrome (334343343433).

The spelling of 203112132131 in words is "two hundred three billion, one hundred twelve million, one hundred thirty-two thousand, one hundred thirty-one".