203140431202 has 4 divisors (see below), whose sum is σ = 304710646806. Its totient is φ = 101570215600.

The previous prime is 203140431181. The next prime is 203140431211. The reversal of 203140431202 is 202134041302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202134041302 = 2 ⋅101067020651.

It can be written as a sum of positive squares in only one way, i.e., 201215942041 + 1924489161 = 448571^2 + 43869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50785107799 + ... + 50785107802.

Almost surely, 2^203140431202 is an apocalyptic number.

203140431202 is a deficient number, since it is larger than the sum of its proper divisors (101570215604).

203140431202 is a wasteful number, since it uses less digits than its factorization.

203140431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101570215603.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203140431202 its reverse (202134041302), we get a palindrome (405274472504).

The spelling of 203140431202 in words is "two hundred three billion, one hundred forty million, four hundred thirty-one thousand, two hundred two".