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10230112031 = 19798976579
BaseRepresentation
bin10011000011100001…
…10001111100011111
3222101221202112111012
421201300301330133
5131422402041111
64411042445435
7511340342336
oct114160617437
928357675435
1010230112031
11437a6a4647
121b9606387b
13c70588739
146d0942d1d
153ed1b448b
hex261c31f1f

10230112031 has 16 divisors (see below), whose sum is σ = 11027520000. Its totient is φ = 9461365056.

The previous prime is 10230112021. The next prime is 10230112037. The reversal of 10230112031 is 13021103201.

It is a cyclic number.

It is not a de Polignac number, because 10230112031 - 26 = 10230111967 is a prime.

It is a super-2 number, since 2×102301120312 (a number of 21 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 = 10230111997 and 10230112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10230112037) 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, 95300 + ... + 171878.

It is an arithmetic number, because the mean of its divisors is an integer number (689220000).

Almost surely, 210230112031 is an apocalyptic number.

10230112031 is a deficient number, since it is larger than the sum of its proper divisors (797407969).

10230112031 is an equidigital number, since it uses as much as digits as its factorization.

10230112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76766.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10230112031 its reverse (13021103201), we get a palindrome (23251215232).

The spelling of 10230112031 in words is "ten billion, two hundred thirty million, one hundred twelve thousand, thirty-one".

Divisors: 1 19 79 89 1501 1691 7031 76579 133589 1455001 6049741 6815531 114945079 129495089 538426949 10230112031