Search a number
-
+
331101301020 = 2235723364793
BaseRepresentation
bin1001101000101110010…
…11001110100100011100
31011122122000111211002220
410310113023032210130
520411043413113040
6412034505545340
732630666423340
oct4642713164434
91148560454086
10331101301020
11118468064066
12542051a5250
13252b840b8c9
141204d947620
15892cd292d0
hex4d172ce91c

331101301020 has 192 divisors, whose sum is σ = 1107697489920. Its totient is φ = 72388732416.

The previous prime is 331101301001. The next prime is 331101301031. The reversal of 331101301020 is 20103101133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5077744 + ... + 5142536.

It is an arithmetic number, because the mean of its divisors is an integer number (5769257760).

Almost surely, 2331101301020 is an apocalyptic number.

331101301020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331101301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553848744960).

331101301020 is an abundant number, since it is smaller than the sum of its proper divisors (776596188900).

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

331101301020 is a wasteful number, since it uses less digits than its factorization.

331101301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64881 (or 64833 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 331101301020 its reverse (20103101133), we get a palindrome (351204402153).

The spelling of 331101301020 in words is "three hundred thirty-one billion, one hundred one million, three hundred one thousand, twenty".