Search a number
-
+
31103200001330 = 253110320000133
BaseRepresentation
bin1110001001001110001110…
…01011111111110100110010
311002010102210111010102210122
413010213013023333310302
513034043323200020310
6150052340211530242
76360063201600542
oct704470713776462
9132112714112718
1031103200001330
119a0187a5a6446
1235a40128b9982
131448033186822
1479758d83d322
1538e0eb678555
hex1c49c72ffd32

31103200001330 has 8 divisors (see below), whose sum is σ = 55985760002412. Its totient is φ = 12441280000528.

The previous prime is 31103200001323. The next prime is 31103200001369. The reversal of 31103200001330 is 3310000230113.

It can be written as a sum of positive squares in 2 ways, for example, as 30432312869401 + 670887131929 = 5516549^2 + 819077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31103200001299 and 31103200001308.

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, 1555160000057 + ... + 1555160000076.

Almost surely, 231103200001330 is an apocalyptic number.

31103200001330 is a deficient number, since it is larger than the sum of its proper divisors (24882560001082).

31103200001330 is a wasteful number, since it uses less digits than its factorization.

31103200001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110320000140.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31103200001330 its reverse (3310000230113), we get a palindrome (34413200231443).

The spelling of 31103200001330 in words is "thirty-one trillion, one hundred three billion, two hundred million, one thousand, three hundred thirty".

Divisors: 1 2 5 10 3110320000133 6220640000266 15551600000665 31103200001330