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344361131 = 1572193383
BaseRepresentation
bin10100100001101…
…000100010101011
3212222222100122222
4110201220202223
51201124024011
654100504255
711351010212
oct2441504253
9788870588
10344361131
11167423684
12973ab08b
13564606aa
1433a40079
1520372ddb
hex148688ab

344361131 has 4 divisors (see below), whose sum is σ = 346554672. Its totient is φ = 342167592.

The previous prime is 344361119. The next prime is 344361133. The reversal of 344361131 is 131163443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-344361131 is a prime.

It is a super-2 number, since 2×3443611312 = 237169177087198322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344361131.

It is not an unprimeable number, because it can be changed into a prime (344361133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096535 + ... + 1096848.

It is an arithmetic number, because the mean of its divisors is an integer number (86638668).

Almost surely, 2344361131 is an apocalyptic number.

344361131 is a deficient number, since it is larger than the sum of its proper divisors (2193541).

344361131 is a wasteful number, since it uses less digits than its factorization.

344361131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193540.

The product of its digits is 2592, while the sum is 26.

The square root of 344361131 is about 18556.9698765720. The cubic root of 344361131 is about 700.9247173434.

The spelling of 344361131 in words is "three hundred forty-four million, three hundred sixty-one thousand, one hundred thirty-one".

Divisors: 1 157 2193383 344361131