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1311002010342 = 232374219466573
BaseRepresentation
bin10011000100111101110…
…011110010001011100110
311122022220222120111010200
4103010331303302023212
5132434413003312332
62442133242531330
7163500565136313
oct23047563621346
94568828514120
101311002010342
11465aa1503422
121920b7b06b46
139681c576b2b
144764a81dd0a
152417ec6017c
hex1313dcf22e6

1311002010342 has 48 divisors (see below), whose sum is σ = 2917972458960. Its totient is φ = 425088150336.

The previous prime is 1311002010341. The next prime is 1311002010401. The reversal of 1311002010342 is 2430102001131.

1311002010342 is a `hidden beast` number, since 1 + 311 + 0 + 0 + 2 + 0 + 10 + 342 = 666.

It is a super-2 number, since 2×13110020103422 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311002010341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2576568 + ... + 3043140.

It is an arithmetic number, because the mean of its divisors is an integer number (60791092895).

Almost surely, 21311002010342 is an apocalyptic number.

1311002010342 is an abundant number, since it is smaller than the sum of its proper divisors (1606970448618).

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

1311002010342 is a wasteful number, since it uses less digits than its factorization.

1311002010342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470837 (or 470834 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1311002010342 its reverse (2430102001131), we get a palindrome (3741104011473).

The spelling of 1311002010342 in words is "one trillion, three hundred eleven billion, two million, ten thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 4219 8438 12657 25314 37971 75942 156103 312206 466573 468309 933146 936618 1399719 1404927 2799438 2809854 4199157 8398314 17263201 34526402 51789603 103579206 155368809 310737618 1968471487 3936942974 5905414461 11810828922 17716243383 35432486766 72833445019 145666890038 218500335057 437000670114 655501005171 1311002010342