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121013023323031 = 7147163117472291
BaseRepresentation
bin11011100000111110001010…
…010001001011001110010111
3120212110201202122212211001221
4123200332022101023032113
5111330134132432314111
61105212340534231211
734326621346310050
oct3340761221131627
9525421678784057
10121013023323031
1135616375954494
12116a51747b5507
13526a62c871cc8
1421c50c0d93727
15decc5e3c9371
hex6e0f8a44b397

121013023323031 has 8 divisors (see below), whose sum is σ = 138301539039104. Its totient is φ = 103724742845880.

The previous prime is 121013023323029. The next prime is 121013023323043. The reversal of 121013023323031 is 130323320310121.

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 121013023323031 - 21 = 121013023323029 is a prime.

It is a super-2 number, since 2×1210130233230312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121013023322987 and 121013023323005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013023323631) 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, 57706005 + ... + 59766286.

It is an arithmetic number, because the mean of its divisors is an integer number (17287692379888).

Almost surely, 2121013023323031 is an apocalyptic number.

121013023323031 is a deficient number, since it is larger than the sum of its proper divisors (17288515716073).

121013023323031 is a wasteful number, since it uses less digits than its factorization.

121013023323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117619461.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121013023323031 its reverse (130323320310121), we get a palindrome (251336343633152).

The spelling of 121013023323031 in words is "one hundred twenty-one trillion, thirteen billion, twenty-three million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 7 147163 1030141 117472291 822306037 17287574760433 121013023323031