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31411434021401 = 74487347717343
BaseRepresentation
bin1110010010001100010110…
…10111011110001000011001
311010012220101211211000122002
413021012023113132020121
513104121104102141101
6150450114044410345
76421254421541510
oct711061327361031
9133186354730562
1031411434021401
11a010572679905
1236338b58469b5
13146b115b64555
147a8470365677
1539713bb5bd6b
hex1c918b5de219

31411434021401 has 4 divisors (see below), whose sum is σ = 35898781738752. Its totient is φ = 26924086304052.

The previous prime is 31411434021389. The next prime is 31411434021419. The reversal of 31411434021401 is 10412043411413.

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 not a de Polignac number, because 31411434021401 - 210 = 31411434020377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31411434021301) 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, 2243673858665 + ... + 2243673858678.

It is an arithmetic number, because the mean of its divisors is an integer number (8974695434688).

Almost surely, 231411434021401 is an apocalyptic number.

It is an amenable number.

31411434021401 is a deficient number, since it is larger than the sum of its proper divisors (4487347717351).

31411434021401 is an equidigital number, since it uses as much as digits as its factorization.

31411434021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487347717350.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 31411434021401 its reverse (10412043411413), we get a palindrome (41823477432814).

The spelling of 31411434021401 in words is "thirty-one trillion, four hundred eleven billion, four hundred thirty-four million, twenty-one thousand, four hundred one".

Divisors: 1 7 4487347717343 31411434021401