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131002102233331 = 7227293877320839
BaseRepresentation
bin11101110010010101001101…
…110001001011100011110011
3122011211200022202011020020121
4131302111031301023203303
5114132314301132431311
61142341311314351111
736410406134145610
oct3562251561134363
9564750282136217
10131002102233331
113881775254713a
1212839102b8b497
1358135a3241274
14244c76d8b3507
1510229ea668b71
hex77254dc4b8f3

131002102233331 has 32 divisors (see below), whose sum is σ = 151061985285120. Its totient is φ = 111283928251776.

The previous prime is 131002102233293. The next prime is 131002102233341. The reversal of 131002102233331 is 133332201200131.

It is not a de Polignac number, because 131002102233331 - 233 = 130993512298739 is a prime.

It is a super-2 number, since 2×1310021022333312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131002102233296 and 131002102233305.

It is not an unprimeable number, because it can be changed into a prime (131002102233341) 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, 408150610 + ... + 408471448.

It is an arithmetic number, because the mean of its divisors is an integer number (4720687040160).

Almost surely, 2131002102233331 is an apocalyptic number.

131002102233331 is a deficient number, since it is larger than the sum of its proper divisors (20059883051789).

131002102233331 is a wasteful number, since it uses less digits than its factorization.

131002102233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322243.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131002102233331 its reverse (133332201200131), we get a palindrome (264334303433462).

The spelling of 131002102233331 in words is "one hundred thirty-one trillion, two billion, one hundred two million, two hundred thirty-three thousand, three hundred thirty-one".

Divisors: 1 7 227 293 877 1589 2051 6139 66511 199079 256961 320839 465577 1393553 1798727 2245873 58330147 72830453 94005827 281375803 408311029 509813171 658040789 1969630621 21339322729 63872307281 82443110279 149375259103 447106150967 577101771953 18714586033333 131002102233331