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311312000001 = 3259993991333
BaseRepresentation
bin1001000011110111010…
…01000010010000000001
31002202112212110011112010
410201323221002100001
520100031333000001
6355003104323133
731330413224232
oct4417351022001
91082485404463
10311312000001
11110032565332
12504019134a9
1323483596032
14110d362b089
15817082c8d6
hex487ba42401

311312000001 has 8 divisors (see below), whose sum is σ = 415098736000. Its totient is φ = 207533298672.

The previous prime is 311311999993. The next prime is 311312000009. The reversal of 311312000001 is 100000213113.

It is an interprime number because it is at equal distance from previous prime (311311999993) and next prime (311312000009).

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

It is not a de Polignac number, because 311312000001 - 23 = 311311999993 is a prime.

It is a super-2 number, since 2×3113120000012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311312000009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917670 + ... + 2073663.

It is an arithmetic number, because the mean of its divisors is an integer number (51887342000).

Almost surely, 2311312000001 is an apocalyptic number.

It is an amenable number.

311312000001 is a deficient number, since it is larger than the sum of its proper divisors (103786735999).

311312000001 is a wasteful number, since it uses less digits than its factorization.

311312000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017335.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 311312000001 its reverse (100000213113), we get a palindrome (411312213114).

The spelling of 311312000001 in words is "three hundred eleven billion, three hundred twelve million, one", and thus it is an aban number.

Divisors: 1 3 25999 77997 3991333 11973999 103770666667 311312000001