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31133103202 = 265331197643
BaseRepresentation
bin11100111111101011…
…010111010001100010
32222100201102111202101
4130333223113101202
51002230033300302
622145150241014
72151336003505
oct347753272142
988321374671
1031133103202
1112226909263
12604a4b616a
132c22066376
141714b2313c
15c2334d287
hex73fad7462

31133103202 has 16 divisors (see below), whose sum is σ = 46792287360. Its totient is φ = 15535696912.

The previous prime is 31133103161. The next prime is 31133103203. The reversal of 31133103202 is 20230133113.

It is a super-2 number, since 2×311331032022 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31133103202.

It is not an unprimeable number, because it can be changed into a prime (31133103203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4069593 + ... + 4077235.

It is an arithmetic number, because the mean of its divisors is an integer number (2924517960).

Almost surely, 231133103202 is an apocalyptic number.

31133103202 is a deficient number, since it is larger than the sum of its proper divisors (15659184158).

31133103202 is a wasteful number, since it uses less digits than its factorization.

31133103202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31133103202 its reverse (20230133113), we get a palindrome (51363236315).

The spelling of 31133103202 in words is "thirty-one billion, one hundred thirty-three million, one hundred three thousand, two hundred two".

Divisors: 1 2 653 1306 3119 6238 7643 15286 2036707 4073414 4990879 9981758 23838517 47677034 15566551601 31133103202