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131213310022 = 265606655011
BaseRepresentation
bin111101000110011101…
…1000011100001000110
3110112200110222210002001
41322030323003201012
54122211101410042
6140140100335514
712323405506234
oct1721473034106
9415613883061
10131213310022
1150713546993
122151b0a459a
13c4b1379362
1464ca6a1954
15362e62cbb7
hex1e8cec3846

131213310022 has 4 divisors (see below), whose sum is σ = 196819965036. Its totient is φ = 65606655010.

The previous prime is 131213309971. The next prime is 131213310101. The reversal of 131213310022 is 220013312131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32803327504 + ... + 32803327507.

It is an arithmetic number, because the mean of its divisors is an integer number (49204991259).

Almost surely, 2131213310022 is an apocalyptic number.

131213310022 is a deficient number, since it is larger than the sum of its proper divisors (65606655014).

131213310022 is an equidigital number, since it uses as much as digits as its factorization.

131213310022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65606655013.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131213310022 its reverse (220013312131), we get a palindrome (351226622153).

The spelling of 131213310022 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred ten thousand, twenty-two".

Divisors: 1 2 65606655011 131213310022