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2213312120131 = 7973259664389
BaseRepresentation
bin100000001101010011101…
…011101100010101000011
321211120221112020022020211
4200031103223230111003
5242230330400321011
64412440452014551
7315622636415650
oct40152353542503
97746845208224
102213312120131
11783729a99962
122b8b55901457
131309398078b8
14791a6946c27
153c88eea8b21
hex20353aec543

2213312120131 has 8 divisors (see below), whose sum is σ = 2555576881760. Its totient is φ = 1877566687488.

The previous prime is 2213312120113. The next prime is 2213312120137. The reversal of 2213312120131 is 1310212133122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213312120131 - 25 = 2213312120099 is a prime.

It is a super-2 number, since 2×22133121201312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2213312120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629831516 + ... + 1629832873.

It is an arithmetic number, because the mean of its divisors is an integer number (319447110220).

Almost surely, 22213312120131 is an apocalyptic number.

2213312120131 is a deficient number, since it is larger than the sum of its proper divisors (342264761629).

2213312120131 is an equidigital number, since it uses as much as digits as its factorization.

2213312120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259664493.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2213312120131 its reverse (1310212133122), we get a palindrome (3523524253253).

The spelling of 2213312120131 in words is "two trillion, two hundred thirteen billion, three hundred twelve million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 97 679 3259664389 22817650723 316187445733 2213312120131