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312355431103 = 1033977638733
BaseRepresentation
bin1001000101110011101…
…01011010001010111111
31002212020120211221220111
410202321311122022333
520104200442243403
6355254420530451
731365313233352
oct4427165321277
91085216757814
10312355431103
11110518552591
1250653250a27
13235bb7cb6a1
1411192042299
1581d223c56d
hex48b9d5a2bf

312355431103 has 8 divisors (see below), whose sum is σ = 316182477728. Its totient is φ = 308543662944.

The previous prime is 312355431001. The next prime is 312355431121. The reversal of 312355431103 is 301134553213.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312355431103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312355431163) 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, 3778476 + ... + 3860257.

It is an arithmetic number, because the mean of its divisors is an integer number (39522809716).

Almost surely, 2312355431103 is an apocalyptic number.

312355431103 is a deficient number, since it is larger than the sum of its proper divisors (3827046625).

312355431103 is a wasteful number, since it uses less digits than its factorization.

312355431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639233.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 312355431103 its reverse (301134553213), we get a palindrome (613489984316).

The spelling of 312355431103 in words is "three hundred twelve billion, three hundred fifty-five million, four hundred thirty-one thousand, one hundred three".

Divisors: 1 103 397 40891 7638733 786789499 3032577001 312355431103