203313144124442 has 32 divisors (see below), whose sum is σ = 347160753805824. Its totient is φ = 88396624206000.

The previous prime is 203313144124427. The next prime is 203313144124459. The reversal of 203313144124442 is 244421441313302.

It is a super-2 number, since 2×203313144124442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203313144124396 and 203313144124405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131831153 + ... + 133364459.

It is an arithmetic number, because the mean of its divisors is an integer number (10848773556432).

Almost surely, 2^{203313144124442} is an apocalyptic number.

203313144124442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203313144124442 is a deficient number, since it is larger than the sum of its proper divisors (143847609681382).

203313144124442 is a wasteful number, since it uses less digits than its factorization.

203313144124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795394.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 203313144124442 its reverse (244421441313302), we get a palindrome (447734585437744).

The spelling of 203313144124442 in words is "two hundred three trillion, three hundred thirteen billion, one hundred forty-four million, one hundred twenty-four thousand, four hundred forty-two".