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31004413301 = 132403234167
BaseRepresentation
bin11100111000000000…
…011100110101110101
32222000202021101101202
4130320000130311311
51001444112211201
622124312102245
72145214110341
oct347000346565
988022241352
1031004413301
1112170201674
126013394985
132c014b8cb4
1417019c4621
15c16dccc6b
hex73801cd75

31004413301 has 4 divisors (see below), whose sum is σ = 31004779872. Its totient is φ = 31004046732.

The previous prime is 31004413277. The next prime is 31004413337. The reversal of 31004413301 is 10331440013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10331440013 = 27293785797.

It is a cyclic number.

It is not a de Polignac number, because 31004413301 - 210 = 31004412277 is a prime.

It is a super-2 number, since 2×310044133012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31004413361) 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, 15320 + ... + 249486.

It is an arithmetic number, because the mean of its divisors is an integer number (7751194968).

Almost surely, 231004413301 is an apocalyptic number.

It is an amenable number.

31004413301 is a deficient number, since it is larger than the sum of its proper divisors (366571).

31004413301 is a wasteful number, since it uses less digits than its factorization.

31004413301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366570.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31004413301 its reverse (10331440013), we get a palindrome (41335853314).

The spelling of 31004413301 in words is "thirty-one billion, four million, four hundred thirteen thousand, three hundred one".

Divisors: 1 132403 234167 31004413301