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231332030101 = 463451499151
BaseRepresentation
bin1101011101110001110…
…1101010011010010101
3211010002221000201122201
43113130131222122111
512242231444430401
6254134504124501
722466423545354
oct3273435523225
9733087021581
10231332030101
118a11a99a157
1238a00766731
1318a78655263
14b2a73c799b
15603deb8b01
hex35dc76a695

231332030101 has 4 divisors (see below), whose sum is σ = 231332992704. Its totient is φ = 231331067500.

The previous prime is 231332030093. The next prime is 231332030113. The reversal of 231332030101 is 101030233132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231332030101 - 23 = 231332030093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332030131) 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, 213876 + ... + 713026.

It is an arithmetic number, because the mean of its divisors is an integer number (57833248176).

Almost surely, 2231332030101 is an apocalyptic number.

It is an amenable number.

231332030101 is a deficient number, since it is larger than the sum of its proper divisors (962603).

231332030101 is an equidigital number, since it uses as much as digits as its factorization.

231332030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962602.

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

Adding to 231332030101 its reverse (101030233132), we get a palindrome (332362263233).

The spelling of 231332030101 in words is "two hundred thirty-one billion, three hundred thirty-two million, thirty thousand, one hundred one".

Divisors: 1 463451 499151 231332030101