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313511245421 = 11123719230369
BaseRepresentation
bin1001000111111101011…
…10011111011001101101
31002222020010201102002012
410203332232133121231
520114032334323141
6400005230011005
731436046421403
oct4437656373155
91088203642065
10313511245421
11110a60a19a30
1250916346a65
13237440c209a
141126174d473
15824d94aceb
hex48feb9f66d

313511245421 has 8 divisors (see below), whose sum is σ = 342016516800. Its totient is φ = 285006682240.

The previous prime is 313511245391. The next prime is 313511245441. The reversal of 313511245421 is 124542115313.

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-313511245421 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 (313511245441) 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, 1245725 + ... + 1476093.

It is an arithmetic number, because the mean of its divisors is an integer number (42752064600).

Almost surely, 2313511245421 is an apocalyptic number.

It is an amenable number.

313511245421 is a deficient number, since it is larger than the sum of its proper divisors (28505271379).

313511245421 is a wasteful number, since it uses less digits than its factorization.

313511245421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354099.

The product of its digits is 14400, while the sum is 32.

The spelling of 313511245421 in words is "three hundred thirteen billion, five hundred eleven million, two hundred forty-five thousand, four hundred twenty-one".

Divisors: 1 11 123719 230369 1360909 2534059 28501022311 313511245421