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31333023230132 = 2213897043961283
BaseRepresentation
bin1110001111111010010011…
…01110000010100010110100
311002221102000021002010011202
413013331021232002202310
513101330012421331012
6150350105301152032
76412510345033511
oct707751156024264
9132842007063152
1031333023230132
119a90295843878
1236206720bb618
1314638cb057740
147a47526b2308
1539509ce59cc2
hex1c7f49b828b4

31333023230132 has 48 divisors (see below), whose sum is σ = 59722729254720. Its totient is φ = 14296862646528.

The previous prime is 31333023230083. The next prime is 31333023230149. The reversal of 31333023230132 is 23103232033313.

It is a junction number, because it is equal to n+sod(n) for n = 31333023230095 and 31333023230104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32114363 + ... + 33075645.

It is an arithmetic number, because the mean of its divisors is an integer number (1244223526140).

Almost surely, 231333023230132 is an apocalyptic number.

It is an amenable number.

31333023230132 is a deficient number, since it is larger than the sum of its proper divisors (28389706024588).

31333023230132 is a wasteful number, since it uses less digits than its factorization.

31333023230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968432 (or 968430 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31333023230132 its reverse (23103232033313), we get a palindrome (54436255263445).

The spelling of 31333023230132 in words is "thirty-one trillion, three hundred thirty-three billion, twenty-three million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 89 178 356 1157 2314 4628 7043 14086 28172 91559 183118 366236 626827 961283 1253654 1922566 2507308 3845132 8148751 12496679 16297502 24993358 32595004 49986716 85554187 171108374 342216748 1112204431 2224408862 4448817724 6770316169 13540632338 27081264676 88014110197 176028220394 352056440788 602558139041 1205116278082 2410232556164 7833255807533 15666511615066 31333023230132