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131020301031331 = 3713288932664691
BaseRepresentation
bin11101110010100110001010…
…100000000101011110100011
3122011220102022001101221212011
4131302212022200011132203
5114133114034031000311
61142353521222013351
736411622125320665
oct3562461240053643
9564812261357764
10131020301031331
1138824441270468
1212840741877257
1358152136c79aa
14244d5b888c535
1510232131e0321
hex77298a8057a3

131020301031331 has 8 divisors (see below), whose sum is σ = 134561542004624. Its totient is φ = 127479068045280.

The previous prime is 131020301031287. The next prime is 131020301031439. The reversal of 131020301031331 is 133130103020131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131020301031331 - 217 = 131020300900259 is a prime.

It is a super-2 number, since 2×1310203010313312 (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 (131020301091331) 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, 47836696 + ... + 50501386.

It is an arithmetic number, because the mean of its divisors is an integer number (16820192750578).

Almost surely, 2131020301031331 is an apocalyptic number.

131020301031331 is a deficient number, since it is larger than the sum of its proper divisors (3541240973293).

131020301031331 is a wasteful number, since it uses less digits than its factorization.

131020301031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993621.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131020301031331 its reverse (133130103020131), we get a palindrome (264150404051462).

The spelling of 131020301031331 in words is "one hundred thirty-one trillion, twenty billion, three hundred one million, thirty-one thousand, three hundred thirty-one".

Divisors: 1 37 1328893 2664691 49169041 98593567 3541089217063 131020301031331