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131302401342020 = 22547139683405683
BaseRepresentation
bin11101110110101100111000…
…111111010111101001000100
3122012220101110002220112222022
4131312230320333113221010
5114202224304220421040
61143131253534422312
736441166623356246
oct3566547077275104
9565811402815868
10131302401342020
11389230435691a7
1212887350661998
1358359c001805c
14245d0da636096
15102a72420c6b5
hex776b38fd7a44

131302401342020 has 24 divisors (see below), whose sum is σ = 281601745858944. Its totient is φ = 51403493290976.

The previous prime is 131302401342011. The next prime is 131302401342029. The reversal of 131302401342020 is 20243104203131.

It is an interprime number because it is at equal distance from previous prime (131302401342011) and next prime (131302401342029).

It is not an unprimeable number, because it can be changed into a prime (131302401342029) 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, 69841701902 + ... + 69841703781.

It is an arithmetic number, because the mean of its divisors is an integer number (11733406077456).

Almost surely, 2131302401342020 is an apocalyptic number.

131302401342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302401342020 is an abundant number, since it is smaller than the sum of its proper divisors (150299344516924).

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

131302401342020 is a wasteful number, since it uses less digits than its factorization.

131302401342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139683405739 (or 139683405737 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131302401342020 its reverse (20243104203131), we get a palindrome (151545505545151).

The spelling of 131302401342020 in words is "one hundred thirty-one trillion, three hundred two billion, four hundred one million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 139683405683 279366811366 558733622732 698417028415 1396834056830 2793668113660 6565120067101 13130240134202 26260480268404 32825600335505 65651200671010 131302401342020