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31234331043104 = 257139438977871
BaseRepresentation
bin1110001101000010011110…
…01101001110010100100000
311002120222021020022120001112
413012201033031032110200
513043220402221334404
6150232504213122452
76402414561216020
oct706411715162440
9132528236276045
1031234331043104
119a52450661a42
12360550a329428
13145750048a237
1479da6d207a80
1539272395556e
hex1c684f34e520

31234331043104 has 24 divisors (see below), whose sum is σ = 70277244847488. Its totient is φ = 13386141875520.

The previous prime is 31234331043061. The next prime is 31234331043109. The reversal of 31234331043104 is 40134013343213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (31234331043109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69719488712 + ... + 69719489159.

It is an arithmetic number, because the mean of its divisors is an integer number (2928218535312).

Almost surely, 231234331043104 is an apocalyptic number.

It is an amenable number.

31234331043104 is an abundant number, since it is smaller than the sum of its proper divisors (39042913804384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31234331043104 is a wasteful number, since it uses less digits than its factorization.

31234331043104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139438977888 (or 139438977880 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31234331043104 its reverse (40134013343213), we get a palindrome (71368344386317).

The spelling of 31234331043104 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred thirty-one million, forty-three thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 139438977871 278877955742 557755911484 976072845097 1115511822968 1952145690194 2231023645936 3904291380388 4462047291872 7808582760776 15617165521552 31234331043104