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32120320011231 = 3312484713900261
BaseRepresentation
bin1110100110110100110000…
…10000111010101111011111
311012201200011022212110211110
413103122120100322233133
513202224403410324411
6152151512111353103
76523421321203104
oct723323020725737
9135650138773743
1032120320011231
11a2641732a9151
123729172222793
1314bcc1927402a
147d08bb884aab
153aa7cadc02a6
hex1d369843abdf

32120320011231 has 16 divisors (see below), whose sum is σ = 44210394902528. Its totient is φ = 20721951597600.

The previous prime is 32120320011211. The next prime is 32120320011271. The reversal of 32120320011231 is 13211002302123.

It is not a de Polignac number, because 32120320011231 - 213 = 32120320003039 is a prime.

It is a super-2 number, since 2×321203200112312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32120320011198 and 32120320011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120320011211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639360 + ... + 9260901.

It is an arithmetic number, because the mean of its divisors is an integer number (2763149681408).

Almost surely, 232120320011231 is an apocalyptic number.

32120320011231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32120320011231 is a deficient number, since it is larger than the sum of its proper divisors (12090074891297).

32120320011231 is a wasteful number, since it uses less digits than its factorization.

32120320011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925142.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 32120320011231 its reverse (13211002302123), we get a palindrome (45331322313354).

The spelling of 32120320011231 in words is "thirty-two trillion, one hundred twenty billion, three hundred twenty million, eleven thousand, two hundred thirty-one".

Divisors: 1 3 31 93 24847 74541 770257 2310771 13900261 41700783 430908091 1292724273 345379785067 1036139355201 10706773337077 32120320011231