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1303431314020 = 22511229314313933
BaseRepresentation
bin10010111101111010100…
…011110111101001100100
311121121101100222021011121
4102331322203313221210
5132323411404022040
62434442120343324
7163112146236343
oct22757243675144
94547340867147
101303431314020
11462866aa6200
12190744614b44
1395bb3c65374
144712d187b5a
1523d8a2b5c4a
hex12f7a8f7a64

1303431314020 has 288 divisors, whose sum is σ = 3287764085760. Its totient is φ = 432538444800.

The previous prime is 1303431313997. The next prime is 1303431314023. The reversal of 1303431314020 is 204131343031.

It is not an unprimeable number, because it can be changed into a prime (1303431314023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 93542974 + ... + 93556906.

It is an arithmetic number, because the mean of its divisors is an integer number (11415847520).

Almost surely, 21303431314020 is an apocalyptic number.

1303431314020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303431314020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643882042880).

1303431314020 is an abundant number, since it is smaller than the sum of its proper divisors (1984332771740).

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

1303431314020 is a wasteful number, since it uses less digits than its factorization.

1303431314020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1303431314020 its reverse (204131343031), we get a palindrome (1507562657051).

The spelling of 1303431314020 in words is "one trillion, three hundred three billion, four hundred thirty-one million, three hundred fourteen thousand, twenty".