203402142141 has 32 divisors (see below), whose sum is σ = 306542994048. Its totient is φ = 118880778240.

The previous prime is 203402142109. The next prime is 203402142143. The reversal of 203402142141 is 141241204302.

It is not a de Polignac number, because 203402142141 - 2⁵ = 203402142109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203402142143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599136 + ... + 875081.

It is an arithmetic number, because the mean of its divisors is an integer number (9579468564).

Almost surely, 2^203402142141 is an apocalyptic number.

It is an amenable number.

203402142141 is a deficient number, since it is larger than the sum of its proper divisors (103140851907).

203402142141 is a wasteful number, since it uses less digits than its factorization.

203402142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474381.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 203402142141 its reverse (141241204302), we get a palindrome (344643346443).

It can be divided in two parts, 203402 and 142141, that added together give a palindrome (345543).

The spelling of 203402142141 in words is "two hundred three billion, four hundred two million, one hundred forty-two thousand, one hundred forty-one".