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1131213031310 = 25113121303131
BaseRepresentation
bin10000011101100001100…
…011010000011110001110
311000010212011220001020102
4100131201203100132032
5122013211014000220
62223401101051102
7144504341054555
oct20354143203616
94003764801212
101131213031310
113a68212a143a
121632a0b56a92
138289957807b
143ca72a74d9c
151e65ad3b775
hex107618d078e

1131213031310 has 8 divisors (see below), whose sum is σ = 2036183456376. Its totient is φ = 452485212520.

The previous prime is 1131213031309. The next prime is 1131213031313. The reversal of 1131213031310 is 131303121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11312130313102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131213031313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56560651556 + ... + 56560651575.

It is an arithmetic number, because the mean of its divisors is an integer number (254522932047).

Almost surely, 21131213031310 is an apocalyptic number.

1131213031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131213031310 is a deficient number, since it is larger than the sum of its proper divisors (904970425066).

1131213031310 is a wasteful number, since it uses less digits than its factorization.

1131213031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113121303138.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1131213031310 its reverse (131303121311), we get a palindrome (1262516152621).

Subtracting from 1131213031310 its reverse (131303121311), we obtain a palindrome (999909909999).

The spelling of 1131213031310 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 113121303131 226242606262 565606515655 1131213031310