Search a number
-
+
31103102410312 = 2310093853208921
BaseRepresentation
bin1110001001001110000010…
…10111101101111001001000
311002010102112200111022002111
413010213001113231321020
513034043123204112222
6150052322404112104
76360060605230612
oct704470127557110
9132112480438074
1031103102410312
119a0182a4aa909
1235a3ba6095634
131448018ba766a
147975808b7db2
1538e0e2cec777
hex1c49c15ede48

31103102410312 has 16 divisors (see below), whose sum is σ = 58376115168300. Its totient is φ = 15536138365440.

The previous prime is 31103102410309. The next prime is 31103102410339. The reversal of 31103102410312 is 21301420130113.

It can be written as a sum of positive squares in 2 ways, for example, as 30947792329476 + 155310080836 = 5563074^2 + 394094^2 .

It is a super-2 number, since 2×311031024103122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926596389 + ... + 1926612532.

Almost surely, 231103102410312 is an apocalyptic number.

It is an amenable number.

31103102410312 is a deficient number, since it is larger than the sum of its proper divisors (27273012757988).

31103102410312 is a wasteful number, since it uses less digits than its factorization.

31103102410312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853209936 (or 3853209932 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31103102410312 its reverse (21301420130113), we get a palindrome (52404522540425).

The spelling of 31103102410312 in words is "thirty-one trillion, one hundred three billion, one hundred two million, four hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 1009 2018 4036 8072 3853208921 7706417842 15412835684 30825671368 3887887801289 7775775602578 15551551205156 31103102410312