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131035055 = 5103254437
BaseRepresentation
bin1111100111101…
…10111110101111
3100010120021022012
413303312332233
5232021110210
621000311435
73150531254
oct763667657
9303507265
10131035055
1167a69638
1237a7257b
13211bb948
141358d42b
15b785305
hex7cf6faf

131035055 has 8 divisors (see below), whose sum is σ = 158769312. Its totient is φ = 103809888.

The previous prime is 131035043. The next prime is 131035087. The reversal of 131035055 is 550530131.

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

It is a cyclic number.

It is not a de Polignac number, because 131035055 - 224 = 114257839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131035055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126704 + ... + 127733.

It is an arithmetic number, because the mean of its divisors is an integer number (19846164).

Almost surely, 2131035055 is an apocalyptic number.

131035055 is a deficient number, since it is larger than the sum of its proper divisors (27734257).

131035055 is a wasteful number, since it uses less digits than its factorization.

131035055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254545.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 131035055 is about 11447.0544246107. The cubic root of 131035055 is about 507.9206054751.

Adding to 131035055 its reverse (550530131), we get a palindrome (681565186).

The spelling of 131035055 in words is "one hundred thirty-one million, thirty-five thousand, fifty-five".

Divisors: 1 5 103 515 254437 1272185 26207011 131035055