1203003313131 has 16 divisors (see below), whose sum is σ = 1724349657600. Its totient is φ = 743625786528.

The previous prime is 1203003313123. The next prime is 1203003313157. The reversal of 1203003313131 is 1313133003021.

It is not a de Polignac number, because 1203003313131 - 2³ = 1203003313123 is a prime.

It is a super-2 number, since 2×1203003313131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203003313098 and 1203003313107.

It is not an unprimeable number, because it can be changed into a prime (1203003313121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224522016 + ... + 224527373.

It is an arithmetic number, because the mean of its divisors is an integer number (107771853600).

Almost surely, 2^{1203003313131} is an apocalyptic number.

1203003313131 is a deficient number, since it is larger than the sum of its proper divisors (521346344469).

1203003313131 is a wasteful number, since it uses less digits than its factorization.

1203003313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449049458.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1203003313131 its reverse (1313133003021), we get a palindrome (2516136316152).

The spelling of 1203003313131 in words is "one trillion, two hundred three billion, three million, three hundred thirteen thousand, one hundred thirty-one".