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31022313033013 = 1924179247710711
BaseRepresentation
bin1110000110110111100011…
…11100101100110100110101
311001211201000100000201000021
413003123301330230310311
513031232144114024023
6145551242011245141
76351200556654511
oct703336174546465
9131751010021007
1031022313033013
119980541a589a5
1235903b9a497b1
13144051236bab3
147936b8d7b141
1538be653a435d
hex1c36f1f2cd35

31022313033013 has 48 divisors (see below), whose sum is σ = 33980997173760. Its totient is φ = 28295724038400.

The previous prime is 31022313033011. The next prime is 31022313033097. The reversal of 31022313033013 is 31033031322013.

It is not a de Polignac number, because 31022313033013 - 21 = 31022313033011 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 (31022313033011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2896298728 + ... + 2896309438.

It is an arithmetic number, because the mean of its divisors is an integer number (707937441120).

Almost surely, 231022313033013 is an apocalyptic number.

It is an amenable number.

31022313033013 is a deficient number, since it is larger than the sum of its proper divisors (2958684140747).

31022313033013 is a wasteful number, since it uses less digits than its factorization.

31022313033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346 (or 13327 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31022313033013 its reverse (31033031322013), we get a palindrome (62055344355026).

The spelling of 31022313033013 in words is "thirty-one trillion, twenty-two billion, three hundred thirteen million, thirty-three thousand, thirteen".

Divisors: 1 19 41 79 361 779 1501 2477 3239 10711 14801 28519 47063 61541 101557 195683 203509 439151 846169 894197 1169279 1929583 3717977 3866671 8023003 8343869 16077211 26531147 34692929 36662077 70641563 152437057 158533511 305467009 504091793 659165651 1087777027 2095960613 2896304083 9577744067 12524147369 20667763513 39823251647 85934385133 392687506747 756641781293 1632753317527 31022313033013