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3391078431 = 313292998301
BaseRepresentation
bin1100101000011111…
…1100000000011111
322202022220122002110
43022013330000133
523421104002211
61320254325103
7150014456016
oct31207740037
98668818073
103391078431
1114901a2464
127a77b9793
134207210b0
14242527a7d
1514ca93ea6
hexca1fc01f

3391078431 has 16 divisors (see below), whose sum is σ = 5037147360. Its totient is φ = 2014857600.

The previous prime is 3391078429. The next prime is 3391078517. The reversal of 3391078431 is 1348701933.

It is a happy number.

3391078431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3391078431 - 21 = 3391078429 is a prime.

It is a super-2 number, since 2×33910784312 = 22998825850386843522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3391078431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391078421) 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, 1498020 + ... + 1500281.

It is an arithmetic number, because the mean of its divisors is an integer number (314821710).

Almost surely, 23391078431 is an apocalyptic number.

3391078431 is a deficient number, since it is larger than the sum of its proper divisors (1646068929).

3391078431 is a wasteful number, since it uses less digits than its factorization.

3391078431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998346.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3391078431 is about 58232.9668744432. The cubic root of 3391078431 is about 1502.3782171738.

The spelling of 3391078431 in words is "three billion, three hundred ninety-one million, seventy-eight thousand, four hundred thirty-one".

Divisors: 1 3 13 29 39 87 377 1131 2998301 8994903 38977913 86950729 116933739 260852187 1130359477 3391078431