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131002103420330 = 2540932029854137
BaseRepresentation
bin11101110010010101001101…
…110101101101010110101010
3122011211200022211101112111112
4131302111031311231112222
5114132314301433422310
61142341311400030322
736410406150221342
oct3562251565552652
9564750284345445
10131002103420330
1138817753187a2a
12128391034623a2
1358135a356862c
14244c76db01d22
1510229ea800705
hex77254dd6d5aa

131002103420330 has 16 divisors (see below), whose sum is σ = 236380323538440. Its totient is φ = 52272721949952.

The previous prime is 131002103420329. The next prime is 131002103420369. The reversal of 131002103420330 is 33024301200131.

It can be written as a sum of positive squares in 4 ways, for example, as 129861955698601 + 1140147721729 = 11395699^2 + 1067777^2 .

It is a super-2 number, since 2×1310021034203302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131002103420296 and 131002103420305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16014922979 + ... + 16014931158.

Almost surely, 2131002103420330 is an apocalyptic number.

131002103420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131002103420330 is a deficient number, since it is larger than the sum of its proper divisors (105378220118110).

131002103420330 is a wasteful number, since it uses less digits than its factorization.

131002103420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32029854553.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131002103420330 its reverse (33024301200131), we get a palindrome (164026404620461).

The spelling of 131002103420330 in words is "one hundred thirty-one trillion, two billion, one hundred three million, four hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 409 818 2045 4090 32029854137 64059708274 160149270685 320298541370 13100210342033 26200420684066 65501051710165 131002103420330