Search a number
-
+
31112002001301 = 3132373475130221
BaseRepresentation
bin1110001001011110100111…
…10100111101100110010101
311002011021111220122100211120
413010233103310331212111
513034214340003020201
6150100353441154153
76360524261424204
oct704572364754625
9132137456570746
1031112002001301
119a05587050291
1235a586a62b959
131448b068ccc30
14797b8683323b
1538e464293536
hex1c4bd3d3d995

31112002001301 has 32 divisors (see below), whose sum is σ = 47254551359232. Its totient is φ = 18062550443520.

The previous prime is 31112002001287. The next prime is 31112002001363. The reversal of 31112002001301 is 10310020021113.

It is a happy number.

It is not a de Polignac number, because 31112002001301 - 219 = 31112001477013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112002001401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237499630 + ... + 237630591.

It is an arithmetic number, because the mean of its divisors is an integer number (1476704729976).

Almost surely, 231112002001301 is an apocalyptic number.

It is an amenable number.

31112002001301 is a deficient number, since it is larger than the sum of its proper divisors (16142549357931).

31112002001301 is a wasteful number, since it uses less digits than its factorization.

31112002001301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475130333.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31112002001301 its reverse (10310020021113), we get a palindrome (41422022022414).

The spelling of 31112002001301 in words is "thirty-one trillion, one hundred twelve billion, two million, one thousand, three hundred one".

Divisors: 1 3 13 23 39 69 73 219 299 897 949 1679 2847 5037 21827 65481 475130221 1425390663 6176692873 10927995083 18530078619 32783985249 34684506133 104053518399 142063936079 426191808237 450898579729 797743641059 1352695739187 2393230923177 10370667333767 31112002001301