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131403244231302 = 23315782091221823
BaseRepresentation
bin11101111000001010110011…
…101100011101101010000110
3122020021000202000121002221120
4131320022303230131222012
5114210402321010400202
61143245452251454410
736451366613652021
oct3570126354355206
9566230660532846
10131403244231302
113896189176950a
12128a29b4757406
135842371346344
142463d455c81b8
15102d1774420bc
hex7782b3b1da86

131403244231302 has 32 divisors (see below), whose sum is σ = 271284808335360. Its totient is φ = 42388035298560.

The previous prime is 131403244231253. The next prime is 131403244231361. The reversal of 131403244231302 is 203132442304131.

It is a super-2 number, since 2×1314032442313022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106935963 + ... + 108157785.

It is an arithmetic number, because the mean of its divisors is an integer number (8477650260480).

Almost surely, 2131403244231302 is an apocalyptic number.

131403244231302 is an abundant number, since it is smaller than the sum of its proper divisors (139881564104058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131403244231302 is a wasteful number, since it uses less digits than its factorization.

131403244231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800068.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131403244231302 its reverse (203132442304131), we get a palindrome (334535686535433).

The spelling of 131403244231302 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 31 62 93 186 578209 1156418 1221823 1734627 2443646 3469254 3665469 7330938 17924479 35848958 37876513 53773437 75753026 107546874 113629539 227259078 706469055007 1412938110014 2119407165021 4238814330042 21900540705217 43801081410434 65701622115651 131403244231302