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101230333031 = 2947672833917
BaseRepresentation
bin101111001000111001…
…1000100110001100111
3100200021220201201212202
41132101303010301213
53124304431124111
6114300553205115
710212403430162
oct1362163046147
9320256651782
10101230333031
1139a2797a563
1217751a0079b
139713694659
144c84608ad9
152977267b3b
hex1791cc4c67

101230333031 has 32 divisors (see below), whose sum is σ = 108956759040. Its totient is φ = 93875354496.

The previous prime is 101230333027. The next prime is 101230333049. The reversal of 101230333031 is 130333032101.

It is not a de Polignac number, because 101230333031 - 22 = 101230333027 is a prime.

It is a super-2 number, since 2×1012303330312 (a number of 23 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 = 101230332994 and 101230333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230333091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25841885 + ... + 25845801.

It is an arithmetic number, because the mean of its divisors is an integer number (3404898720).

Almost surely, 2101230333031 is an apocalyptic number.

101230333031 is a deficient number, since it is larger than the sum of its proper divisors (7726426009).

101230333031 is a wasteful number, since it uses less digits than its factorization.

101230333031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 101230333031 its reverse (130333032101), we get a palindrome (231563365132).

The spelling of 101230333031 in words is "one hundred one billion, two hundred thirty million, three hundred thirty-three thousand, thirty-one".

Divisors: 1 29 47 67 283 1363 1943 3149 3917 8207 13301 18961 91321 113593 184099 262439 385729 549869 891167 1108511 5338871 7610731 12334633 25843843 32146819 52100017 74270237 357704357 1510900493 2153836873 3490701139 101230333031