1303114145520 has 80 divisors (see below), whose sum is σ = 4406895119232. Its totient is φ = 315906458880.

The previous prime is 1303114145479. The next prime is 1303114145527. The reversal of 1303114145520 is 255414113031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303114145527) 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, 246799282 + ... + 246804561.

Almost surely, 2^{1303114145520} is an apocalyptic number.

1303114145520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303114145520 is an abundant number, since it is smaller than the sum of its proper divisors (3103780973712).

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

1303114145520 is a wasteful number, since it uses less digits than its factorization.

1303114145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493603870 (or 493603864 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1303114145520 its reverse (255414113031), we get a palindrome (1558528258551).

The spelling of 1303114145520 in words is "one trillion, three hundred three billion, one hundred fourteen million, one hundred forty-five thousand, five hundred twenty".