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31013221313301 = 360733280351893
BaseRepresentation
bin1110000110100110101000…
…00010100010101100010101
311001210211112201100111012120
413003103110002202230111
513031110034124011201
6145543135512210153
76350426351426163
oct703232402425425
9131724481314176
1031013221313301
1199776a6a11357
12358a6a1099959
13143c6c38b6ba6
147930956cc233
1538bad210b536
hex1c34d40a2b15

31013221313301 has 16 divisors (see below), whose sum is σ = 41359828533696. Its totient is φ = 20671047847296.

The previous prime is 31013221313299. The next prime is 31013221313303. The reversal of 31013221313301 is 10331312231013.

It is an interprime number because it is at equal distance from previous prime (31013221313299) and next prime (31013221313303).

It is not a de Polignac number, because 31013221313301 - 21 = 31013221313299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013221313303) 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 15 ways as a sum of consecutive naturals, for example, 597611911 + ... + 597663803.

It is an arithmetic number, because the mean of its divisors is an integer number (2584989283356).

Almost surely, 231013221313301 is an apocalyptic number.

It is an amenable number.

31013221313301 is a deficient number, since it is larger than the sum of its proper divisors (10346607220395).

31013221313301 is a wasteful number, since it uses less digits than its factorization.

31013221313301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90772.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31013221313301 its reverse (10331312231013), we get a palindrome (41344533544314).

The spelling of 31013221313301 in words is "thirty-one trillion, thirteen billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred one".

Divisors: 1 3 6073 18219 32803 51893 98409 155679 199212619 315146189 597637857 945438567 1702246079 5106738237 10337740437767 31013221313301