Search a number
-
+
31325450130204 = 22311257972318761
BaseRepresentation
bin1110001111101100001100…
…10100111101001100011100
311002220200110110221210002020
413013312012110331030130
513101214010213131304
6150342414011300140
76412121566533126
oct707660624751434
9132820413853066
1031325450130204
119a88059a447aa
12361b0b9a4a650
131462c920b3c19
147a42349b2216
15394ca81885d9
hex1c7d8653d31c

31325450130204 has 24 divisors (see below), whose sum is σ = 73092813418128. Its totient is φ = 10441802931840.

The previous prime is 31325450130199. The next prime is 31325450130217. The reversal of 31325450130204 is 40203105452313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12350184 + ... + 14668944.

It is an arithmetic number, because the mean of its divisors is an integer number (3045533892422).

Almost surely, 231325450130204 is an apocalyptic number.

It is an amenable number.

31325450130204 is an abundant number, since it is smaller than the sum of its proper divisors (41767363287924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31325450130204 is a wasteful number, since it uses less digits than its factorization.

31325450130204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444565 (or 3444563 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 31325450130204 its reverse (40203105452313), we get a palindrome (71528555582517).

The spelling of 31325450130204 in words is "thirty-one trillion, three hundred twenty-five billion, four hundred fifty million, one hundred thirty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 1125797 2251594 2318761 3377391 4503188 4637522 6754782 6956283 9275044 13509564 13912566 27825132 2610454177517 5220908355034 7831362532551 10441816710068 15662725065102 31325450130204