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31411034155 = 56282206831
BaseRepresentation
bin11101010000001111…
…100101100000101011
310000002002101212100101
4131100033211200223
51003312211043110
622232515250231
72161252246024
oct352017454053
9100062355311
1031411034155
1112359789966
1261075a9977
132c67808057
14173d9cdc4b
15c3c94d13a
hex7503e582b

31411034155 has 4 divisors (see below), whose sum is σ = 37693240992. Its totient is φ = 25128827320.

The previous prime is 31411034111. The next prime is 31411034159. The reversal of 31411034155 is 55143011413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55143011413 = 77877573059.

It is not a de Polignac number, because 31411034155 - 27 = 31411034027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31411034159) 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 3 ways as a sum of consecutive naturals, for example, 3141103411 + ... + 3141103420.

It is an arithmetic number, because the mean of its divisors is an integer number (9423310248).

Almost surely, 231411034155 is an apocalyptic number.

31411034155 is a deficient number, since it is larger than the sum of its proper divisors (6282206837).

31411034155 is an equidigital number, since it uses as much as digits as its factorization.

31411034155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282206836.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 31411034155 its reverse (55143011413), we get a palindrome (86554045568).

The spelling of 31411034155 in words is "thirty-one billion, four hundred eleven million, thirty-four thousand, one hundred fifty-five".

Divisors: 1 5 6282206831 31411034155