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1401341431 = 7311643703
BaseRepresentation
bin101001110000110…
…1100010111110111
310121122212112001111
41103201230113313
510332220411211
6351015335451
746504130350
oct12341542767
93548775044
101401341431
1165a025616
12331381587
1319442b219
14d4180d27
158305c421
hex5386c5f7

1401341431 has 8 divisors (see below), whose sum is σ = 1606685184. Its totient is φ = 1197285720.

The previous prime is 1401341429. The next prime is 1401341437. The reversal of 1401341431 is 1341431041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401341431 - 21 = 1401341429 is a prime.

It is a super-2 number, since 2×14013414312 = 3927515612474255522, 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 (1401341437) 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, 319675 + ... + 324028.

It is an arithmetic number, because the mean of its divisors is an integer number (200835648).

Almost surely, 21401341431 is an apocalyptic number.

1401341431 is a deficient number, since it is larger than the sum of its proper divisors (205343753).

1401341431 is an equidigital number, since it uses as much as digits as its factorization.

1401341431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644021.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1401341431 is about 37434.4952016185. The cubic root of 1401341431 is about 1119.0461242226.

Adding to 1401341431 its reverse (1341431041), we get a palindrome (2742772472).

The spelling of 1401341431 in words is "one billion, four hundred one million, three hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 7 311 2177 643703 4505921 200191633 1401341431