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31301201011 = 291367789577
BaseRepresentation
bin11101001001101100…
…100110110001110011
32222210102201202121011
4131021230212301303
51003101101413021
622213553211351
72155446550543
oct351154466163
988712652534
1031301201011
1112302791673
126096860b57
132c4ab30922
14172d19d323
15c32ea4de1
hex749b26c73

31301201011 has 8 divisors (see below), whose sum is σ = 32404281120. Its totient is φ = 30199702848.

The previous prime is 31301200979. The next prime is 31301201021. The reversal of 31301201011 is 11010210313.

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 31301201011 - 25 = 31301200979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31301200982 and 31301201000.

It is not an unprimeable number, because it can be changed into a prime (31301201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355146 + ... + 434431.

It is an arithmetic number, because the mean of its divisors is an integer number (4050535140).

Almost surely, 231301201011 is an apocalyptic number.

31301201011 is a deficient number, since it is larger than the sum of its proper divisors (1103080109).

31301201011 is a wasteful number, since it uses less digits than its factorization.

31301201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790973.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31301201011 its reverse (11010210313), we get a palindrome (42311411324).

The spelling of 31301201011 in words is "thirty-one billion, three hundred one million, two hundred one thousand, eleven".

Divisors: 1 29 1367 39643 789577 22897733 1079351759 31301201011