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31013230213033 = 431076919754763
BaseRepresentation
bin1110000110100110101001…
…00100011111011110101001
311001210211120100002122100021
413003103110210133132221
513031110043413304113
6145543140431040441
76350426520164005
oct703232444373651
9131724510078307
1031013230213033
119977700a3a902
12358a6a4070121
13143c6c56b19c3
14793096967705
1538bad2cb848d
hex1c34d491f7a9

31013230213033 has 16 divisors (see below), whose sum is σ = 32077409861376. Its totient is φ = 29965458292560.

The previous prime is 31013230212997. The next prime is 31013230213037. The reversal of 31013230213033 is 33031203231013.

It is a de Polignac number, because none of the positive numbers 2k-31013230213033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31013230212989 and 31013230213007.

It is not an unprimeable number, because it can be changed into a prime (31013230213037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698091 + ... + 8056672.

It is an arithmetic number, because the mean of its divisors is an integer number (2004838116336).

Almost surely, 231013230213033 is an apocalyptic number.

It is an amenable number.

31013230213033 is a deficient number, since it is larger than the sum of its proper divisors (1064179648343).

31013230213033 is a wasteful number, since it uses less digits than its factorization.

31013230213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755604.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31013230213033 its reverse (33031203231013), we get a palindrome (64044433444046).

The spelling of 31013230213033 in words is "thirty-one trillion, thirteen billion, two hundred thirty million, two hundred thirteen thousand, thirty-three".

Divisors: 1 43 107 691 4601 29713 73937 3179291 9754763 419454809 1043759641 6740541233 44881664563 289843273019 721237911931 31013230213033