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102031000023 = 364752566203
BaseRepresentation
bin101111100000110000…
…1011000000111010111
3100202100201022211111210
41133001201120013113
53132424414000043
6114512234232503
710241265122241
oct1370141300727
9322321284453
10102031000023
113a2a8926517
1217935b85733
13981051bcc4
144d1caa9091
1529c26c2633
hex17c18581d7

102031000023 has 8 divisors (see below), whose sum is σ = 136251600768. Its totient is φ = 67915532984.

The previous prime is 102031000013. The next prime is 102031000067. The reversal of 102031000023 is 320000130201.

It is a happy number.

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 102031000023 - 25 = 102030999991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102030999972 and 102031000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031000013) 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, 26281161 + ... + 26285042.

It is an arithmetic number, because the mean of its divisors is an integer number (17031450096).

Almost surely, 2102031000023 is an apocalyptic number.

102031000023 is a deficient number, since it is larger than the sum of its proper divisors (34220600745).

102031000023 is an equidigital number, since it uses as much as digits as its factorization.

102031000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52566853.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 102031000023 its reverse (320000130201), we get a palindrome (422031130224).

The spelling of 102031000023 in words is "one hundred two billion, thirty-one million, twenty-three", and thus it is an aban number.

Divisors: 1 3 647 1941 52566203 157698609 34010333341 102031000023