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31021201300110 = 2357147720006191
BaseRepresentation
bin1110000110110101011111…
…01011110001101010001110
311001211121010212002211011120
413003122233223301222032
513031222410013100420
6145550535415101410
76351131200253640
oct703325753615216
9131747125084146
1031021201300110
11998002145a57a
123590149671866
131440395c40888
14793611466890
1538bdec9a1d40
hex1c36afaf1a8e

31021201300110 has 32 divisors (see below), whose sum is σ = 85086723566592. Its totient is φ = 7090560297120.

The previous prime is 31021201300057. The next prime is 31021201300121. The reversal of 31021201300110 is 1100310212013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 31021201300110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73860002886 + ... + 73860003305.

It is an arithmetic number, because the mean of its divisors is an integer number (2658960111456).

Almost surely, 231021201300110 is an apocalyptic number.

31021201300110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31021201300110 is an abundant number, since it is smaller than the sum of its proper divisors (54065522266482).

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

31021201300110 is a wasteful number, since it uses less digits than its factorization.

31021201300110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147720006208.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31021201300110 its reverse (1100310212013), we get a palindrome (32121511512123).

The spelling of 31021201300110 in words is "thirty-one trillion, twenty-one billion, two hundred one million, three hundred thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 147720006191 295440012382 443160018573 738600030955 886320037146 1034040043337 1477200061910 2068080086674 2215800092865 3102120130011 4431600185730 5170200216685 6204240260022 10340400433370 15510600650055 31021201300110