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131011131211432 = 23269313399453847
BaseRepresentation
bin11101110010011101100111…
…111011111111111010101000
3122011212112121222202211201221
4131302131213323333322220
5114132441244042231212
61142345403252551424
736411145651201123
oct3562354773777250
9564775558684657
10131011131211432
113882056613000a
121283aa02922574
1358143b19c9364
14244cd88aad3ba
151022d7816b807
hex772767effea8

131011131211432 has 32 divisors (see below), whose sum is σ = 245755968912000. Its totient is φ = 65476209927744.

The previous prime is 131011131211351. The next prime is 131011131211469. The reversal of 131011131211432 is 234112131110131.

It is a junction number, because it is equal to n+sod(n) for n = 131011131211397 and 131011131211406.

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, 288441133 + ... + 288894979.

It is an arithmetic number, because the mean of its divisors is an integer number (7679874028500).

Almost surely, 2131011131211432 is an apocalyptic number.

It is an amenable number.

131011131211432 is a deficient number, since it is larger than the sum of its proper divisors (114744837700568).

131011131211432 is a wasteful number, since it uses less digits than its factorization.

131011131211432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469945 (or 469941 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 131011131211432 its reverse (234112131110131), we get a palindrome (365123262321563).

The spelling of 131011131211432 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirty-one million, two hundred eleven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 2693 5386 10772 13399 21544 26798 53596 107192 453847 907694 1815388 3630776 36083507 72167014 144334028 288668056 1222209971 2444419942 4888839884 6081095953 9777679768 12162191906 24324383812 48648767624 16376391401429 32752782802858 65505565605716 131011131211432