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31413205403401 = 191653326600179
BaseRepresentation
bin1110010010001111101001…
…11100110000011100001001
311010020001222021222112220211
413021013310330300130021
513104133221040402101
6150451005523321121
76421346341204513
oct711076474603411
9133201867875824
1031413205403401
11a0112a1567378
12363410ab201a1
13146b338b44693
147a859b70cbb3
153971e2410c51
hex1c91f4f30709

31413205403401 has 4 divisors (see below), whose sum is σ = 33066532003600. Its totient is φ = 29759878803204.

The previous prime is 31413205403399. The next prime is 31413205403423. The reversal of 31413205403401 is 10430450231413.

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 31413205403401 - 21 = 31413205403399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31413205403101) 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, 826663300071 + ... + 826663300108.

It is an arithmetic number, because the mean of its divisors is an integer number (8266633000900).

Almost surely, 231413205403401 is an apocalyptic number.

It is an amenable number.

31413205403401 is a deficient number, since it is larger than the sum of its proper divisors (1653326600199).

31413205403401 is a wasteful number, since it uses less digits than its factorization.

31413205403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653326600198.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31413205403401 its reverse (10430450231413), we get a palindrome (41843655634814).

The spelling of 31413205403401 in words is "thirty-one trillion, four hundred thirteen billion, two hundred five million, four hundred three thousand, four hundred one".

Divisors: 1 19 1653326600179 31413205403401