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31240334210234 = 243834483976271
BaseRepresentation
bin1110001101001101101010…
…00001011111010010111010
311002121112202121100001012212
413012212311001133102322
513043320201024211414
6150235340021535122
76403016414255012
oct706466501372272
9132545677301185
1031240334210234
119a54a51256296
1236067048744a2
131457c490c4736
147a007c5dcc42
153929759b683e
hex1c69b505f4ba

31240334210234 has 32 divisors (see below), whose sum is σ = 48538869249024. Its totient is φ = 15069711530160.

The previous prime is 31240334210153. The next prime is 31240334210237. The reversal of 31240334210234 is 43201243304213.

It is a self number, because there is not a number n which added to its sum of digits gives 31240334210234.

It is not an unprimeable number, because it can be changed into a prime (31240334210237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31511519 + ... + 32487789.

It is an arithmetic number, because the mean of its divisors is an integer number (1516839664032).

Almost surely, 231240334210234 is an apocalyptic number.

31240334210234 is a deficient number, since it is larger than the sum of its proper divisors (17298535038790).

31240334210234 is a wasteful number, since it uses less digits than its factorization.

31240334210234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980882.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31240334210234 its reverse (43201243304213), we get a palindrome (74441577514447).

The spelling of 31240334210234 in words is "thirty-one trillion, two hundred forty billion, three hundred thirty-four million, two hundred ten thousand, two hundred thirty-four".

Divisors: 1 2 43 83 86 166 3569 4483 7138 8966 192769 372089 385538 744178 976271 1952542 15999827 31999654 41979653 81030493 83959306 162060986 3484311199 4376622893 6968622398 8753245786 188194784399 363259700119 376389568798 726519400238 15620167105117 31240334210234