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131313220021003 = 179779632031547
BaseRepresentation
bin11101110110110110111101…
…110101010110101100001011
3122012221102101002011101112111
4131312312331311112230023
5114202413433311133003
61143140243244323151
736442032001542346
oct3566667565265413
9565842332141474
10131313220021003
1138927695411909
121288946b8434b7
135836a254c8457
14245d8453c745d
15102ab58dd1e6d
hex776dbdd56b0b

131313220021003 has 8 divisors (see below), whose sum is σ = 140470903650672. Its totient is φ = 122314800454656.

The previous prime is 131313220020949. The next prime is 131313220021103. The reversal of 131313220021003 is 300120022313131.

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 131313220021003 - 29 = 131313220020491 is a prime.

It is a super-2 number, since 2×1313132200210032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131313220021103) 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, 39816014125 + ... + 39816017422.

It is an arithmetic number, because the mean of its divisors is an integer number (17558862956334).

Almost surely, 2131313220021003 is an apocalyptic number.

131313220021003 is a deficient number, since it is larger than the sum of its proper divisors (9157683629669).

131313220021003 is an equidigital number, since it uses as much as digits as its factorization.

131313220021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79632031661.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131313220021003 its reverse (300120022313131), we get a palindrome (431433242334134).

The spelling of 131313220021003 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred twenty million, twenty-one thousand, three".

Divisors: 1 17 97 1649 79632031547 1353744536299 7724307060059 131313220021003