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312011000001 = 3319608208577
BaseRepresentation
bin1001000101001010100…
…11100000100011000001
31002211100120202001021000
410202211103200203001
520102444304000001
6355200314322213
731353631512141
oct4424523404301
91084316661230
10312011000001
11110361091388
1250577a29369
13235653451bc
141115c3c4921
1581b1da3a86
hex48a54e08c1

312011000001 has 16 divisors (see below), whose sum is σ = 486566862400. Its totient is φ = 197059578624.

The previous prime is 312010999943. The next prime is 312011000003. The reversal of 312011000001 is 100000110213.

It is not a de Polignac number, because 312011000001 - 210 = 312010998977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312011000003) 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, 304103776 + ... + 304104801.

It is an arithmetic number, because the mean of its divisors is an integer number (30410428900).

Almost surely, 2312011000001 is an apocalyptic number.

It is an amenable number.

312011000001 is a deficient number, since it is larger than the sum of its proper divisors (174555862399).

312011000001 is a wasteful number, since it uses less digits than its factorization.

312011000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608208605 (or 608208599 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 312011000001 its reverse (100000110213), we get a palindrome (412011110214).

The spelling of 312011000001 in words is "three hundred twelve billion, eleven million, one", and thus it is an aban number.

Divisors: 1 3 9 19 27 57 171 513 608208577 1824625731 5473877193 11555962963 16421631579 34667888889 104003666667 312011000001