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121031313230 = 25233531490717
BaseRepresentation
bin111000010111000000…
…1110100011101001110
3102120101212202202021202
41300232001310131032
53440333004010410
6131333453025502
711513161121342
oct1605601643516
9376355682252
10121031313230
1147369026003
121b559185292
13b54aa69199
145c022c5622
1532357beca5
hex1c2e07474e

121031313230 has 32 divisors (see below), whose sum is σ = 227972522304. Its totient is φ = 46176418816.

The previous prime is 121031313191. The next prime is 121031313251. The reversal of 121031313230 is 32313130121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664169 + ... + 826548.

It is an arithmetic number, because the mean of its divisors is an integer number (7124141322).

Almost surely, 2121031313230 is an apocalyptic number.

121031313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121031313230 is a deficient number, since it is larger than the sum of its proper divisors (106941209074).

121031313230 is a wasteful number, since it uses less digits than its factorization.

121031313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491100.

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

Adding to 121031313230 its reverse (32313130121), we get a palindrome (153344443351).

The spelling of 121031313230 in words is "one hundred twenty-one billion, thirty-one million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 353 706 1765 3530 8119 16238 40595 81190 1490717 2981434 7453585 14907170 34286491 68572982 171432455 342864910 526223101 1052446202 2631115505 5262231010 12103131323 24206262646 60515656615 121031313230