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31230040224030 = 2353743654306311
BaseRepresentation
bin1110001100111010011110…
…11101000011000100011110
311002120120012012101100211120
413012131033131003010132
513043133110244132110
6150230514334031410
76402203336651304
oct706351735030436
9132516165340746
1031230040224030
119a506495a507a
123604711348566
131456c9853383b
1479d7833d0274
15392571dd6870
hex1c674f74311e

31230040224030 has 64 divisors (see below), whose sum is σ = 78768011063808. Its totient is φ = 7914489125760.

The previous prime is 31230040224029. The next prime is 31230040224137. The reversal of 31230040224030 is 3042204003213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327105426 + ... + 327200885.

It is an arithmetic number, because the mean of its divisors is an integer number (1230750172872).

Almost surely, 231230040224030 is an apocalyptic number.

31230040224030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31230040224030 is an abundant number, since it is smaller than the sum of its proper divisors (47537970839778).

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

31230040224030 is a wasteful number, since it uses less digits than its factorization.

31230040224030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654306401.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31230040224030 its reverse (3042204003213), we get a palindrome (34272244227243).

The spelling of 31230040224030 in words is "thirty-one trillion, two hundred thirty billion, forty million, two hundred twenty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 43 74 86 111 129 185 215 222 258 370 430 555 645 1110 1290 1591 3182 4773 7955 9546 15910 23865 47730 654306311 1308612622 1962918933 3271531555 3925837866 6543063110 9814594665 19629189330 24209333507 28135171373 48418667014 56270342746 72628000521 84405514119 121046667535 140675856865 145256001042 168811028238 242093335070 281351713730 363140002605 422027570595 726280005210 844055141190 1041001340801 2082002681602 3123004022403 5205006704005 6246008044806 10410013408010 15615020112015 31230040224030