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131222202433432 = 231114811006861169
BaseRepresentation
bin11101110101100010001100…
…110000110011111110011000
3122012121201102220111212200121
4131311202030300303332120
5114144421032310332212
61143030351513443024
736432330335034235
oct3565421460637630
9565551386455617
10131222202433432
11388a2029355160
12128738aa110474
13582b27b91b966
14245928d2c078c
1510285cd54cd07
hex77588cc33f98

131222202433432 has 32 divisors (see below), whose sum is σ = 268590285709200. Its totient is φ = 59606181145600.

The previous prime is 131222202433429. The next prime is 131222202433537. The reversal of 131222202433432 is 234334202222131.

It is a happy number.

It is a super-2 number, since 2×1312222024334322 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 503300257 + ... + 503560912.

Almost surely, 2131222202433432 is an apocalyptic number.

It is an amenable number.

131222202433432 is an abundant number, since it is smaller than the sum of its proper divisors (137368083275768).

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

131222202433432 is a wasteful number, since it uses less digits than its factorization.

131222202433432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006862667 (or 1006862663 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 131222202433432 its reverse (234334202222131), we get a palindrome (365556404655563).

The spelling of 131222202433432 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred two million, four hundred thirty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 1481 2962 5924 11848 16291 32582 65164 130328 1006861169 2013722338 4027444676 8054889352 11075472859 22150945718 44301891436 88603782872 1491161391289 2982322782578 5964645565156 11929291130312 16402775304179 32805550608358 65611101216716 131222202433432