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31301453103 = 337833397531
BaseRepresentation
bin11101001001101101…
…100100010100101111
32222210110012120101220
4131021231210110233
51003101132444403
622214002434423
72155451650524
oct351155442457
988713176356
1031301453103
1112302944008
126096962a13
132c4abbb5ab
14172d22714b
15c33004953
hex749b6452f

31301453103 has 16 divisors (see below), whose sum is σ = 43379688576. Its totient is φ = 20059017120.

The previous prime is 31301453093. The next prime is 31301453143. The reversal of 31301453103 is 30135410313.

It is a de Polignac number, because none of the positive numbers 2k-31301453103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301453143) 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, 1689553 + ... + 1707978.

It is an arithmetic number, because the mean of its divisors is an integer number (2711230536).

Almost surely, 231301453103 is an apocalyptic number.

31301453103 is a deficient number, since it is larger than the sum of its proper divisors (12078235473).

31301453103 is a wasteful number, since it uses less digits than its factorization.

31301453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397654.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 31301453103 its reverse (30135410313), we get a palindrome (61436863416).

The spelling of 31301453103 in words is "thirty-one billion, three hundred one million, four hundred fifty-three thousand, one hundred three".

Divisors: 1 3 37 83 111 249 3071 9213 3397531 10192593 125708647 281995073 377125941 845985219 10433817701 31301453103