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312021120120301 = 6152135292782049
BaseRepresentation
bin100011011110010000001010…
…0000001101111010111101101
31111220202221001100020222002101
41012330200110001233113231
5311344123223222322201
63023340305043455101
7122502532141532254
oct10674402401572755
91456687040228071
10312021120120301
1190468460a302a9
122abb3949987491
13105146085760b7
145709c8d39579b
1526115baa07d01
hex11bc81406f5ed

312021120120301 has 16 divisors (see below), whose sum is σ = 317835079686000. Its totient is φ = 306230038732800.

The previous prime is 312021120120277. The next prime is 312021120120371. The reversal of 312021120120301 is 103021021120213.

It can be written as a sum of positive squares in 8 ways, for example, as 221721808386276 + 90299311734025 = 14890326^2 + 9502595^2 .

It is a cyclic number.

It is not a de Polignac number, because 312021120120301 - 213 = 312021120112109 is a prime.

It is a super-2 number, since 2×3120211201203012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021120120371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110764125 + ... + 113546173.

It is an arithmetic number, because the mean of its divisors is an integer number (19864692480375).

Almost surely, 2312021120120301 is an apocalyptic number.

It is an amenable number.

312021120120301 is a deficient number, since it is larger than the sum of its proper divisors (5813959565699).

312021120120301 is a wasteful number, since it uses less digits than its factorization.

312021120120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786160.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312021120120301 its reverse (103021021120213), we get a palindrome (415042141240514).

The spelling of 312021120120301 in words is "three hundred twelve trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, three hundred one".

Divisors: 1 61 521 3529 31781 215269 1838609 2782049 112155149 169704989 1449447529 9817850921 88416299269 598888906181 5115100329841 312021120120301