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131903301 = 3192314093
BaseRepresentation
bin1111101110010…
…10111101000101
3100012012101022110
413313022331011
5232231401201
621031051233
73161105505
oct767127505
9305171273
10131903301
11685019a2
1238210b19
1321433bba
1413737a05
15b8a76d6
hex7dcaf45

131903301 has 8 divisors (see below), whose sum is σ = 185127520. Its totient is φ = 83307312.

The previous prime is 131903279. The next prime is 131903311. The reversal of 131903301 is 103309131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131903301 - 215 = 131870533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131903311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156990 + ... + 1157103.

It is an arithmetic number, because the mean of its divisors is an integer number (23140940).

Almost surely, 2131903301 is an apocalyptic number.

It is an amenable number.

131903301 is a deficient number, since it is larger than the sum of its proper divisors (53224219).

131903301 is a wasteful number, since it uses less digits than its factorization.

131903301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314115.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 131903301 is about 11484.9162382666. The cubic root of 131903301 is about 509.0399740620.

The spelling of 131903301 in words is "one hundred thirty-one million, nine hundred three thousand, three hundred one".

Divisors: 1 3 19 57 2314093 6942279 43967767 131903301