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131030230037 = 7193429722571
BaseRepresentation
bin111101000001000000…
…0101010010000010101
3110112012201111100112212
41322002000222100111
54121322214330122
6140110000323205
712316023402320
oct1720200522025
9415181440485
10131030230037
115062a170213
1221489913505
13c4824675c5
1464b02457b7
15361d516ce2
hex1e8202a415

131030230037 has 16 divisors (see below), whose sum is σ = 150566435712. Its totient is φ = 111698749440.

The previous prime is 131030230027. The next prime is 131030230103. The reversal of 131030230037 is 730032030131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131030230037 - 26 = 131030229973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131030229994 and 131030230021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030230027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5793962 + ... + 5816532.

It is an arithmetic number, because the mean of its divisors is an integer number (9410402232).

Almost surely, 2131030230037 is an apocalyptic number.

It is an amenable number.

131030230037 is a deficient number, since it is larger than the sum of its proper divisors (19536205675).

131030230037 is a wasteful number, since it uses less digits than its factorization.

131030230037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068.

The product of its (nonzero) digits is 1134, while the sum is 23.

Adding to 131030230037 its reverse (730032030131), we get a palindrome (861062260168).

The spelling of 131030230037 in words is "one hundred thirty-one billion, thirty million, two hundred thirty thousand, thirty-seven".

Divisors: 1 7 193 1351 4297 22571 30079 157997 829321 4356203 5805247 30493421 96987587 678913109 18718604291 131030230037