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331031041264 = 2472111723127773
BaseRepresentation
bin1001101000100101111…
…11001101010011110000
31011122110010022020211201
410310102333031103300
520410422421310024
6412023520020544
732626154265400
oct4642277152360
91148403266751
10331031041264
11118431435950
12541a5761754
13252a69abaa1
1412044498800
158926a9b744
hex4d12fcd4f0

331031041264 has 480 divisors, whose sum is σ = 907512201216. Its totient is φ = 115045539840.

The previous prime is 331031041249. The next prime is 331031041279. The reversal of 331031041264 is 462140130133.

It is an interprime number because it is at equal distance from previous prime (331031041249) and next prime (331031041279).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 428241582 + ... + 428242354.

Almost surely, 2331031041264 is an apocalyptic number.

331031041264 is a gapful number since it is divisible by the number (34) 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 331031041264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453756100608).

331031041264 is an abundant number, since it is smaller than the sum of its proper divisors (576481159952).

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

331031041264 is a wasteful number, since it uses less digits than its factorization.

331031041264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 331031041264 its reverse (462140130133), we get a palindrome (793171171397).

The spelling of 331031041264 in words is "three hundred thirty-one billion, thirty-one million, forty-one thousand, two hundred sixty-four".