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31240231001032 = 2343101899154703
BaseRepresentation
bin1110001101001101011101…
…10111110001101111001000
311002121112111102010110210211
413012212232313301233020
513043314443114013112
6150235321453450504
76403014022065364
oct706465667615710
9132545442113724
1031240231001032
119a549a8a72729
1236066961a0a34
131457c308c92c1
147a006ca142a4
1539296b8cb0a7
hex1c69aedf1bc8

31240231001032 has 32 divisors (see below), whose sum is σ = 60531094673280. Its totient is φ = 15105798993600.

The previous prime is 31240231001029. The next prime is 31240231001101. The reversal of 31240231001032 is 23010013204213.

It is a junction number, because it is equal to n+sod(n) for n = 31240231000994 and 31240231001012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449542608 + ... + 449612095.

It is an arithmetic number, because the mean of its divisors is an integer number (1891596708540).

Almost surely, 231240231001032 is an apocalyptic number.

It is an amenable number.

31240231001032 is a deficient number, since it is larger than the sum of its proper divisors (29290863672248).

31240231001032 is a wasteful number, since it uses less digits than its factorization.

31240231001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899154853 (or 899154849 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31240231001032 its reverse (23010013204213), we get a palindrome (54250244205245).

The spelling of 31240231001032 in words is "thirty-one trillion, two hundred forty billion, two hundred thirty-one million, one thousand, thirty-two".

Divisors: 1 2 4 8 43 86 101 172 202 344 404 808 4343 8686 17372 34744 899154703 1798309406 3596618812 7193237624 38663652229 77327304458 90814625003 154654608916 181629250006 309309217832 363258500012 726517000024 3905028875129 7810057750258 15620115500516 31240231001032