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1310310323021 = 7475776902437
BaseRepresentation
bin10011000100010100100…
…101001101001101001101
311122021010210001010111202
4103010110211031031031
5132432003420314041
62441540453355245
7163444465656230
oct23042445151515
94567123033452
101310310323021
11465777021507
12191b44338b25
139673c1882ab
14475c2a0b417
152413e180a9b
hex1311494d34d

1310310323021 has 16 divisors (see below), whose sum is σ = 1532009918976. Its totient is φ = 1097321665536.

The previous prime is 1310310322949. The next prime is 1310310323051. The reversal of 1310310323021 is 1203230130131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310310323021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310310322984 and 1310310323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310310323051) 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, 3261386 + ... + 3641051.

It is an arithmetic number, because the mean of its divisors is an integer number (95750619936).

Almost surely, 21310310323021 is an apocalyptic number.

It is an amenable number.

1310310323021 is a deficient number, since it is larger than the sum of its proper divisors (221699595955).

1310310323021 is an equidigital number, since it uses as much as digits as its factorization.

1310310323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903068.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1310310323021 its reverse (1203230130131), we get a palindrome (2513540453152).

The spelling of 1310310323021 in words is "one trillion, three hundred ten billion, three hundred ten million, three hundred twenty-three thousand, twenty-one".

Divisors: 1 7 47 329 577 4039 27119 189833 6902437 48317059 324414539 2270901773 3982706149 27878943043 187187189003 1310310323021