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122023021231031 = 264086346205737
BaseRepresentation
bin11011101111101010110010…
…110101011011101110110111
3121000001021202011010120222212
4123233222302311123232313
5111443211121413343111
61111304334014444035
734462605135005654
oct3357526265335667
9530037664116885
10122023021231031
1135975744395668
1211828a66b0361b
13531194c274a2b
14221bd35176c2b
15e1917373898b
hex6efab2d5bbb7

122023021231031 has 4 divisors (see below), whose sum is σ = 122023070077632. Its totient is φ = 122022972384432.

The previous prime is 122023021231021. The next prime is 122023021231043. The reversal of 122023021231031 is 130132120320221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122023021231031 - 230 = 122021947489207 is a prime.

It is a super-2 number, since 2×1220230212310312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122023021230988 and 122023021231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122023021231021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20462006 + ... + 25743731.

It is an arithmetic number, because the mean of its divisors is an integer number (30505767519408).

Almost surely, 2122023021231031 is an apocalyptic number.

122023021231031 is a deficient number, since it is larger than the sum of its proper divisors (48846601).

122023021231031 is an equidigital number, since it uses as much as digits as its factorization.

122023021231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48846600.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 122023021231031 its reverse (130132120320221), we get a palindrome (252155141551252).

The spelling of 122023021231031 in words is "one hundred twenty-two trillion, twenty-three billion, twenty-one million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 2640863 46205737 122023021231031