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31023114341 = 78341396001
BaseRepresentation
bin11100111001000111…
…110010100001100101
32222002001110111101212
4130321013302201211
51002013404124331
622130221001205
72145532056332
oct347107624145
988061414355
1031023114341
111217a814a7a
1260196b3205
132c053360bb
141704291989
15c18873d2b
hex7391f2865

31023114341 has 4 divisors (see below), whose sum is σ = 31023588684. Its totient is φ = 31022640000.

The previous prime is 31023114307. The next prime is 31023114359. The reversal of 31023114341 is 14341132013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14341132013 = 131103164001.

It can be written as a sum of positive squares in 2 ways, for example, as 9280432225 + 21742682116 = 96335^2 + 147454^2 .

It is a cyclic number.

It is not a de Polignac number, because 31023114341 - 214 = 31023097957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023114301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119660 + ... + 276341.

It is an arithmetic number, because the mean of its divisors is an integer number (7755897171).

Almost surely, 231023114341 is an apocalyptic number.

It is an amenable number.

31023114341 is a deficient number, since it is larger than the sum of its proper divisors (474343).

31023114341 is an equidigital number, since it uses as much as digits as its factorization.

31023114341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474342.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31023114341 its reverse (14341132013), we get a palindrome (45364246354).

The spelling of 31023114341 in words is "thirty-one billion, twenty-three million, one hundred fourteen thousand, three hundred forty-one".

Divisors: 1 78341 396001 31023114341