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2031143401 = 7877330859
BaseRepresentation
bin111100100010000…
…1100100111101001
312020112221202221101
41321010030213221
513124433042101
6533314241401
7101222301610
oct17104144751
95215852841
102031143401
11952589111
12488286261
13264a5c901
14153a84877
15bd4b5401
hex7910c9e9

2031143401 has 8 divisors (see below), whose sum is σ = 2323960640. Its totient is φ = 1738989648.

The previous prime is 2031143393. The next prime is 2031143407. The reversal of 2031143401 is 1043411302.

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 2031143401 - 23 = 2031143393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031143407) 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, 159291 + ... + 171568.

It is an arithmetic number, because the mean of its divisors is an integer number (290495080).

Almost surely, 22031143401 is an apocalyptic number.

It is an amenable number.

2031143401 is a deficient number, since it is larger than the sum of its proper divisors (292817239).

2031143401 is an equidigital number, since it uses as much as digits as its factorization.

2031143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331743.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2031143401 is about 45068.2083180594. The cubic root of 2031143401 is about 1266.4271001765.

Adding to 2031143401 its reverse (1043411302), we get a palindrome (3074554703).

The spelling of 2031143401 in words is "two billion, thirty-one million, one hundred forty-three thousand, four hundred one".

Divisors: 1 7 877 6139 330859 2316013 290163343 2031143401