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3420125231 = 23972416361
BaseRepresentation
bin1100101111011010…
…1111100000101111
322211100120100210212
43023312233200233
524001023001411
61323213053035
7150516404405
oct31366574057
98740510725
103420125231
1114a5631786
127b548717b
13426751253
14246329475
151503d068b
hexcbdaf82f

3420125231 has 16 divisors (see below), whose sum is σ = 3621148608. Its totient is φ = 3223756800.

The previous prime is 3420125221. The next prime is 3420125257. The reversal of 3420125231 is 1325210243.

It is a cyclic number.

It is not a de Polignac number, because 3420125231 - 210 = 3420124207 is a prime.

It is a super-2 number, since 2×34201252312 = 23394513191445606722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420125197 and 3420125206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420125221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534491 + ... + 540851.

It is an arithmetic number, because the mean of its divisors is an integer number (226321788).

Almost surely, 23420125231 is an apocalyptic number.

3420125231 is a deficient number, since it is larger than the sum of its proper divisors (201023377).

3420125231 is a wasteful number, since it uses less digits than its factorization.

3420125231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3420125231 is about 58481.8367615108. The cubic root of 3420125231 is about 1506.6556439977.

Adding to 3420125231 its reverse (1325210243), we get a palindrome (4745335474).

The spelling of 3420125231 in words is "three billion, four hundred twenty million, one hundred twenty-five thousand, two hundred thirty-one".

Divisors: 1 23 97 241 2231 5543 6361 23377 146303 537671 617017 1533001 14191391 35259023 148701097 3420125231