1311203130454 has 16 divisors (see below), whose sum is σ = 2248275633408. Its totient is φ = 561819489192.

The previous prime is 1311203130409. The next prime is 1311203130473. The reversal of 1311203130454 is 4540313021131.

It is a super-2 number, since 2×1311203130454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10327114 + ... + 10453309.

It is an arithmetic number, because the mean of its divisors is an integer number (140517227088).

Almost surely, 2^{1311203130454} is an apocalyptic number.

1311203130454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311203130454 is a deficient number, since it is larger than the sum of its proper divisors (937072502954).

1311203130454 is a wasteful number, since it uses less digits than its factorization.

1311203130454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784939.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1311203130454 its reverse (4540313021131), we get a palindrome (5851516151585).

The spelling of 1311203130454 in words is "one trillion, three hundred eleven billion, two hundred three million, one hundred thirty thousand, four hundred fifty-four".