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31423130242300 = 2252457421686963
BaseRepresentation
bin1110010010100010001001…
…00001000000110011111100
311010021000120222022121101201
413021101010201000303330
513104314032320223200
6150455330423145244
76422150314016056
oct711210441006374
9133230528277351
1031423130242300
11a015524905775
12363601a8a5224
13146c25b0a7114
147a8c5d8a88d6
153975c38c3c6a
hex1c9444840cfc

31423130242300 has 36 divisors (see below), whose sum is σ = 68188440957336. Its totient is φ = 12569206321600.

The previous prime is 31423130242297. The next prime is 31423130242307. The reversal of 31423130242300 is 324203132413.

It is a happy number.

It is a super-2 number, since 2×314231302423002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423130242307) 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, 45398619 + ... + 46085581.

It is an arithmetic number, because the mean of its divisors is an integer number (1894123359926).

Almost surely, 231423130242300 is an apocalyptic number.

It is an amenable number.

31423130242300 is an abundant number, since it is smaller than the sum of its proper divisors (36765310715036).

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

31423130242300 is a wasteful number, since it uses less digits than its factorization.

31423130242300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144398 (or 1144391 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31423130242300 its reverse (324203132413), we get a palindrome (31747333374713).

The spelling of 31423130242300 in words is "thirty-one trillion, four hundred twenty-three billion, one hundred thirty million, two hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 457421 686963 914842 1373926 1829684 2287105 2747852 3434815 4574210 6869630 9148420 11435525 13739260 17174075 22871050 34348150 45742100 68696300 314231302423 628462604846 1256925209692 1571156512115 3142313024230 6284626048460 7855782560575 15711565121150 31423130242300