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31014401 = 112819491
BaseRepresentation
bin111011001001…
…1111000000001
32011100200202112
41312103320001
530414430101
63024425105
7524421665
oct166237001
964320675
1031014401
1116563640
12a478195
13656b922
1441948a5
152ac96bb
hex1d93e01

31014401 has 4 divisors (see below), whose sum is σ = 33833904. Its totient is φ = 28194900.

The previous prime is 31014391. The next prime is 31014439. The reversal of 31014401 is 10441013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31014401 - 26 = 31014337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31014461) 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, 1409735 + ... + 1409756.

It is an arithmetic number, because the mean of its divisors is an integer number (8458476).

Almost surely, 231014401 is an apocalyptic number.

It is an amenable number.

31014401 is a deficient number, since it is larger than the sum of its proper divisors (2819503).

31014401 is a wasteful number, since it uses less digits than its factorization.

31014401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819502.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 31014401 is about 5569.0574606481. The cubic root of 31014401 is about 314.1867018191.

Adding to 31014401 its reverse (10441013), we get a palindrome (41455414).

The spelling of 31014401 in words is "thirty-one million, fourteen thousand, four hundred one".

Divisors: 1 11 2819491 31014401