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231203010323 = 1571472630639
BaseRepresentation
bin1101011101010011000…
…1011111011100010011
3211002202221020211210102
43113110301133130103
512242000432312243
6254114014523015
722463266106405
oct3272461373423
9732687224712
10231203010323
118a06408773a
123898550646b
1318a579c09ac
14b294200b75
1560329d09b8
hex35d4c5f713

231203010323 has 4 divisors (see below), whose sum is σ = 232675641120. Its totient is φ = 229730379528.

The previous prime is 231203010319. The next prime is 231203010347. The reversal of 231203010323 is 323010302132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231203010323 - 22 = 231203010319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231203010295 and 231203010304.

It is not an unprimeable number, because it can be changed into a prime (231203010373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736315163 + ... + 736315476.

It is an arithmetic number, because the mean of its divisors is an integer number (58168910280).

Almost surely, 2231203010323 is an apocalyptic number.

231203010323 is a deficient number, since it is larger than the sum of its proper divisors (1472630797).

231203010323 is a wasteful number, since it uses less digits than its factorization.

231203010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472630796.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231203010323 its reverse (323010302132), we get a palindrome (554213312455).

The spelling of 231203010323 in words is "two hundred thirty-one billion, two hundred three million, ten thousand, three hundred twenty-three".

Divisors: 1 157 1472630639 231203010323