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131031021420334 = 2724915474978279
BaseRepresentation
bin11101110010110000001001…
…011111000111111100101110
3122011221102222011201010220201
4131302300021133013330232
5114133303012440422314
61142402453101104114
736412451601163300
oct3562601137077456
9564842864633821
10131031021420334
1138828a42690392
1212842833b5803a
135816231712a39
14244dd14575970
15102363e44bb74
hex772c097c7f2e

131031021420334 has 48 divisors (see below), whose sum is σ = 229520293822080. Its totient is φ = 55939316837040.

The previous prime is 131031021420301. The next prime is 131031021420373. The reversal of 131031021420334 is 433024120130131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23831407 + ... + 28809685.

It is an arithmetic number, because the mean of its divisors is an integer number (4781672787960).

Almost surely, 2131031021420334 is an apocalyptic number.

131031021420334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131031021420334 is a deficient number, since it is larger than the sum of its proper divisors (98489272401746).

131031021420334 is a wasteful number, since it uses less digits than its factorization.

131031021420334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979333 (or 4979326 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131031021420334 its reverse (433024120130131), we get a palindrome (564055141550465).

The spelling of 131031021420334 in words is "one hundred thirty-one trillion, thirty-one billion, twenty-one million, four hundred twenty thousand, three hundred thirty-four".

Divisors: 1 2 7 14 49 98 491 547 982 1094 3437 3829 6874 7658 24059 26803 48118 53606 268577 537154 1880039 3760078 4978279 9956558 13160273 26320546 34847953 69695906 243935671 487871342 2444334989 2723118613 4888669978 5446237226 17110344923 19061830291 34220689846 38123660582 119772414461 133432812037 239544828922 266865624074 1337051238983 2674102477966 9359358672881 18718717345762 65515510710167 131031021420334