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31011144113354 = 211321936291781
BaseRepresentation
bin1110000110100010110000…
…01110101001110011001010
311001210122011221201210120012
413003101120032221303022
513031041310343111404
6145542153430431522
76350324026502516
oct703213016516312
9131718157653505
1031011144113354
119976830436289
12358a2015025a2
13143c45244cab2
14792d39899146
1538ba0ea99a6e
hex1c34583a9cca

31011144113354 has 24 divisors (see below), whose sum is σ = 47175190008492. Its totient is φ = 15288723394560.

The previous prime is 31011144113347. The next prime is 31011144113357. The reversal of 31011144113354 is 45331144111013.

It can be written as a sum of positive squares in 6 ways, for example, as 587943900625 + 30423200212729 = 766775^2 + 5515723^2 .

It is a super-2 number, since 2×310111441133542 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31011144113354.

It is not an unprimeable number, because it can be changed into a prime (31011144113357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1782944 + ... + 8074724.

Almost surely, 231011144113354 is an apocalyptic number.

31011144113354 is a deficient number, since it is larger than the sum of its proper divisors (16164045895138).

31011144113354 is a wasteful number, since it uses less digits than its factorization.

31011144113354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292202 (or 6292089 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 31011144113354 its reverse (45331144111013), we get a palindrome (76342288224367).

The spelling of 31011144113354 in words is "thirty-one trillion, eleven billion, one hundred forty-four million, one hundred thirteen thousand, three hundred fifty-four".

Divisors: 1 2 113 193 226 386 12769 21809 25538 43618 2464417 4928834 6291781 12583562 710971253 1214313733 1421942506 2428627466 80339751589 137217451829 160679503178 274434903658 15505572056677 31011144113354