203140141431402 has 128 divisors (see below), whose sum is σ = 480160898832384. Its totient is φ = 56089949061888.

The previous prime is 203140141431397. The next prime is 203140141431421. The reversal of 203140141431402 is 204134141041302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 203140141431402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153354388 + ... + 154673360.

It is an arithmetic number, because the mean of its divisors is an integer number (3751257022128).

Almost surely, 2^{203140141431402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203140141431402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240080449416192).

203140141431402 is an abundant number, since it is smaller than the sum of its proper divisors (277020757400982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203140141431402 is a wasteful number, since it uses less digits than its factorization.

203140141431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319932.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 203140141431402 its reverse (204134141041302), we get a palindrome (407274282472704).

The spelling of 203140141431402 in words is "two hundred three trillion, one hundred forty billion, one hundred forty-one million, four hundred thirty-one thousand, four hundred two".