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13131331202 = 2111420742013
BaseRepresentation
bin11000011101011000…
…00011011010000010
31020220010220202000002
430032230003122002
5203343110044302
610011002000002
7643256321303
oct141654033202
936803822002
1013131331202
115629326540
1226657a6002
131313665382
148c7d947aa
1551cc44c02
hex30eb03682

13131331202 has 16 divisors (see below), whose sum is σ = 21489656832. Its totient is φ = 5968224720.

The previous prime is 13131331141. The next prime is 13131331219. The reversal of 13131331202 is 20213313131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291548 + ... + 333560.

It is an arithmetic number, because the mean of its divisors is an integer number (1343103552).

Almost surely, 213131331202 is an apocalyptic number.

13131331202 is a deficient number, since it is larger than the sum of its proper divisors (8358325630).

13131331202 is a wasteful number, since it uses less digits than its factorization.

13131331202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56233.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13131331202 its reverse (20213313131), we get a palindrome (33344644333).

The spelling of 13131331202 in words is "thirteen billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred two".

Divisors: 1 2 11 22 14207 28414 42013 84026 156277 312554 462143 924286 596878691 1193757382 6565665601 13131331202