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1310220111310 = 251111911091921
BaseRepresentation
bin10011000100001111001…
…101000100110111001110
311122020220111021220022021
4103010033031010313032
5132431312322030220
62441523512040354
7163442322122305
oct23041715046716
94566814256267
101310220111310
11465730106080
12191b1a0930ba
1396726590b96
14475b4a4743c
15241362b14aa
hex1310f344dce

1310220111310 has 16 divisors (see below), whose sum is σ = 2572795855152. Its totient is φ = 476443676800.

The previous prime is 1310220111289. The next prime is 1310220111337. The reversal of 1310220111310 is 131110220131.

It is a happy number.

It is a super-2 number, since 2×13102201113102 (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, 5955545851 + ... + 5955546070.

It is an arithmetic number, because the mean of its divisors is an integer number (160799740947).

Almost surely, 21310220111310 is an apocalyptic number.

1310220111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310220111310 is a deficient number, since it is larger than the sum of its proper divisors (1262575743842).

1310220111310 is a wasteful number, since it uses less digits than its factorization.

1310220111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911091939.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1310220111310 its reverse (131110220131), we get a palindrome (1441330331441).

The spelling of 1310220111310 in words is "one trillion, three hundred ten billion, two hundred twenty million, one hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 11911091921 23822183842 59555459605 119110919210 131022011131 262044022262 655110055655 1310220111310