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131211211233410 = 2572112919735312071
BaseRepresentation
bin11101110101010111111101…
…101000101101100010000010
3122012120200001220122001202022
4131311113331220231202002
5114144231030033432120
61143021333122121442
736431461063262300
oct3565277550554202
9565520056561668
10131211211233410
11388983a9087980
12128717411b0282
13582a2197858c9
142458929661270
15102818864b025
hex7755fda2d882

131211211233410 has 384 divisors, whose sum is σ = 312534194480640. Its totient is φ = 39171781017600.

The previous prime is 131211211233359. The next prime is 131211211233419. The reversal of 131211211233410 is 14332112112131.

It is a self number, because there is not a number n which added to its sum of digits gives 131211211233410.

It is not an unprimeable number, because it can be changed into a prime (131211211233419) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10869947675 + ... + 10869959745.

It is an arithmetic number, because the mean of its divisors is an integer number (813891131460).

Almost surely, 2131211211233410 is an apocalyptic number.

131211211233410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211211233410 is an abundant number, since it is smaller than the sum of its proper divisors (181322983247230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131211211233410 is a wasteful number, since it uses less digits than its factorization.

131211211233410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682 (or 12675 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 131211211233410 its reverse (14332112112131), we get a palindrome (145543323345541).

The spelling of 131211211233410 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, two hundred thirty-three thousand, four hundred ten".