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2135344031 = 2297929623
BaseRepresentation
bin111111101000110…
…1100001110011111
312111211000201022222
41333101230032133
513333122002111
6551515455555
7103626060542
oct17721541637
95454021288
102135344031
119a6389637
124b71575bb
132805143a2
1416384a859
15c76e97db
hex7f46c39f

2135344031 has 4 divisors (see below), whose sum is σ = 2136275952. Its totient is φ = 2134412112.

The previous prime is 2135344027. The next prime is 2135344033. The reversal of 2135344031 is 1304435312.

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

It is a cyclic number.

It is not a de Polignac number, because 2135344031 - 22 = 2135344027 is a prime.

It is a super-2 number, since 2×21353440312 = 9119388261454657922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135344033) 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, 462515 + ... + 467108.

It is an arithmetic number, because the mean of its divisors is an integer number (534068988).

Almost surely, 22135344031 is an apocalyptic number.

2135344031 is a deficient number, since it is larger than the sum of its proper divisors (931921).

2135344031 is an equidigital number, since it uses as much as digits as its factorization.

2135344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931920.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2135344031 is about 46209.7828495222. The cubic root of 2135344031 is about 1287.7234914885.

Adding to 2135344031 its reverse (1304435312), we get a palindrome (3439779343).

The spelling of 2135344031 in words is "two billion, one hundred thirty-five million, three hundred forty-four thousand, thirty-one".

Divisors: 1 2297 929623 2135344031