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121132322031 = 3723614111337
BaseRepresentation
bin111000011010000001…
…1001000110011101111
3102120122220211112022110
41300310003020303233
53441034333301111
6131351502015103
711515525514550
oct1606403106357
9376586745273
10121132322031
1147410046456
121b586b77493
13b565973bc6
145c1189a327
15323e5c35a6
hex1c340c8cef

121132322031 has 32 divisors (see below), whose sum is σ = 195765470208. Its totient is φ = 65123562240.

The previous prime is 121132322023. The next prime is 121132322033. The reversal of 121132322031 is 130223231121.

It is not a de Polignac number, because 121132322031 - 23 = 121132322023 is a prime.

It is a super-2 number, since 2×1211323220312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121132321989 and 121132322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132322033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2026206 + ... + 2085131.

It is an arithmetic number, because the mean of its divisors is an integer number (6117670944).

Almost surely, 2121132322031 is an apocalyptic number.

121132322031 is a deficient number, since it is larger than the sum of its proper divisors (74633148177).

121132322031 is a wasteful number, since it uses less digits than its factorization.

121132322031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111431.

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

Adding to 121132322031 its reverse (130223231121), we get a palindrome (251355553152).

The spelling of 121132322031 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred twenty-two thousand, thirty-one".

Divisors: 1 3 7 21 23 61 69 161 183 427 483 1281 1403 4209 9821 29463 4111337 12334011 28779359 86338077 94560751 250791557 283682253 661925257 752374671 1755540899 1985775771 5266622697 5768205811 17304617433 40377440677 121132322031