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101230031323 = 532311115877
BaseRepresentation
bin101111001000111000…
…1111011000111011011
3100200021220011102000101
41132101301323013123
53124304342000243
6114300542520231
710212401032441
oct1362161730733
9320256142011
10101230031323
1139a27793913
1217751896077
1397135ba225
144c8456ab91
15297720854d
hex1791c7b1db

101230031323 has 12 divisors (see below), whose sum is σ = 103508718768. Its totient is φ = 98999819360.

The previous prime is 101230031303. The next prime is 101230031333. The reversal of 101230031323 is 323130032101.

It is a de Polignac number, because none of the positive numbers 2k-101230031323 is a prime.

It is a super-2 number, since 2×1012300313232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101230031323.

It is not an unprimeable number, because it can be changed into a prime (101230031303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815661 + ... + 931537.

It is an arithmetic number, because the mean of its divisors is an integer number (8625726564).

Almost surely, 2101230031323 is an apocalyptic number.

101230031323 is a deficient number, since it is larger than the sum of its proper divisors (2278687445).

101230031323 is an equidigital number, since it uses as much as digits as its factorization.

101230031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116294 (or 116241 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 101230031323 its reverse (323130032101), we get a palindrome (424360063424).

The spelling of 101230031323 in words is "one hundred one billion, two hundred thirty million, thirty-one thousand, three hundred twenty-three".

Divisors: 1 53 311 2809 16483 115877 873599 6141481 36037747 325498493 1910000591 101230031323