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31413101 = 231365787
BaseRepresentation
bin111011111010…
…1001101101101
32012002221200012
41313311031231
531020204401
63041143005
7531002246
oct167651555
965087605
1031413101
1116806145
12a62aa65
13667b245
144259ccd
152b578bb
hex1df536d

31413101 has 4 divisors (see below), whose sum is σ = 32778912. Its totient is φ = 30047292.

The previous prime is 31413097. The next prime is 31413103. The reversal of 31413101 is 10131413.

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 31413101 - 22 = 31413097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682871 + ... + 682916.

It is an arithmetic number, because the mean of its divisors is an integer number (8194728).

Almost surely, 231413101 is an apocalyptic number.

It is an amenable number.

31413101 is a deficient number, since it is larger than the sum of its proper divisors (1365811).

31413101 is a wasteful number, since it uses less digits than its factorization.

31413101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365810.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 31413101 is about 5604.7391553934. The cubic root of 31413101 is about 315.5272968966.

Adding to 31413101 its reverse (10131413), we get a palindrome (41544514).

It can be divided in two parts, 31413 and 101, that multiplied together give a palindrome (3172713).

The spelling of 31413101 in words is "thirty-one million, four hundred thirteen thousand, one hundred one".

Divisors: 1 23 1365787 31413101