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BaseRepresentation
bin111101001100000110…
…0000011000100100101
3110120011122122011211011
41322120030003010211
54123102443022041
6140210531342221
712331162145266
oct1723014030445
9416148564734
10131402314021
11508001a9440
1221572451971
13c511583644
14650782096d
153641013e81
hex1e98303125

131402314021 has 8 divisors (see below), whose sum is σ = 143437089600. Its totient is φ = 119382390240.

The previous prime is 131402314019. The next prime is 131402314031. The reversal of 131402314021 is 120413204131.

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 131402314021 - 21 = 131402314019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131402313983 and 131402314001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402314031) 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, 3694441 + ... + 3729838.

It is an arithmetic number, because the mean of its divisors is an integer number (17929636200).

Almost surely, 2131402314021 is an apocalyptic number.

131402314021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131402314021 is a deficient number, since it is larger than the sum of its proper divisors (12034775579).

131402314021 is a wasteful number, since it uses less digits than its factorization.

131402314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425899.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131402314021 its reverse (120413204131), we get a palindrome (251815518152).

The spelling of 131402314021 in words is "one hundred thirty-one billion, four hundred two million, three hundred fourteen thousand, twenty-one".