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123031133022031 = 1367141252735961
BaseRepresentation
bin11011111110010101101010…
…111110101110011101001111
3121010121122212012022200210121
4123332111222332232131033
5112111220230023201111
61113355420001045411
734625464111566313
oct3376255276563517
9533548765280717
10123031133022031
11362242351a3163
1211970311626867
135385a2ac94cb0
142254a4aa67b43
15e354c71cd871
hex6fe56afae74f

123031133022031 has 8 divisors (see below), whose sum is σ = 134472604635824. Its totient is φ = 111872166880320.

The previous prime is 123031133022029. The next prime is 123031133022137. The reversal of 123031133022031 is 130220331130321.

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 123031133022031 - 21 = 123031133022029 is a prime.

It is a super-2 number, since 2×1230311330220312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123031133021987 and 123031133022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031133022731) 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, 70626367110 + ... + 70626368851.

It is an arithmetic number, because the mean of its divisors is an integer number (16809075579478).

Almost surely, 2123031133022031 is an apocalyptic number.

123031133022031 is a deficient number, since it is larger than the sum of its proper divisors (11441471613793).

123031133022031 is a wasteful number, since it uses less digits than its factorization.

123031133022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141252736041.

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

Adding to 123031133022031 its reverse (130220331130321), we get a palindrome (253251464152352).

The spelling of 123031133022031 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-three million, twenty-two thousand, thirty-one".

Divisors: 1 13 67 871 141252735961 1836285567493 9463933309387 123031133022031