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40027103131 = 2573533591229
BaseRepresentation
bin100101010001110011…
…010001111110011011
310211022120001112000011
4211101303101332123
51123433414300011
630215503422351
72614623522451
oct452163217633
9124276045004
1040027103131
1115a80290024
127910bb49b7
133a0b881b12
141d1a0249d1
15109408c621
hex951cd1f9b

40027103131 has 16 divisors (see below), whose sum is σ = 40441809600. Its totient is φ = 39615397888.

The previous prime is 40027103111. The next prime is 40027103153. The reversal of 40027103131 is 13130172004.

It is a cyclic number.

It is not a de Polignac number, because 40027103131 - 25 = 40027103099 is a prime.

It is a super-2 number, since 2×400271031312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40027103111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32568225 + ... + 32569453.

It is an arithmetic number, because the mean of its divisors is an integer number (2527613100).

Almost surely, 240027103131 is an apocalyptic number.

40027103131 is a deficient number, since it is larger than the sum of its proper divisors (414706469).

40027103131 is a wasteful number, since it uses less digits than its factorization.

40027103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 40027103131 its reverse (13130172004), we get a palindrome (53157275135).

The spelling of 40027103131 in words is "forty billion, twenty-seven million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 257 353 359 1229 90721 92263 126727 315853 433837 441211 32568839 111496109 113391227 155747483 40027103131