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31013221330300 = 22521122563076143
BaseRepresentation
bin1110000110100110101000…
…00010100110110101111100
311001210211112201101100112011
413003103110002212311330
513031110034130032200
6145543135512421004
76350426351526556
oct703232402466574
9131724481340464
1031013221330300
1199776a6a23100
12358a6a10a7764
13143c6c38c1851
147930956d44d6
1538bad21115ba
hex1c34d40a6d7c

31013221330300 has 54 divisors (see below), whose sum is σ = 73972940591984. Its totient is φ = 11277535024800.

The previous prime is 31013221330243. The next prime is 31013221330331. The reversal of 31013221330300 is 303312231013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1281525972 + ... + 1281550171.

Almost surely, 231013221330300 is an apocalyptic number.

It is an amenable number.

31013221330300 is an abundant number, since it is smaller than the sum of its proper divisors (42959719261684).

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

31013221330300 is a wasteful number, since it uses less digits than its factorization.

31013221330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563076179 (or 2563076161 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31013221330300 its reverse (303312231013), we get a palindrome (31316533561313).

The spelling of 31013221330300 in words is "thirty-one trillion, thirteen billion, two hundred twenty-one million, three hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 2563076143 5126152286 10252304572 12815380715 25630761430 28193837573 51261522860 56387675146 64076903575 112775350292 128153807150 140969187865 256307614300 281938375730 310132213303 563876751460 620264426606 704845939325 1240528853212 1409691878650 1550661066515 2819383757300 3101322133030 6202644266060 7753305332575 15506610665150 31013221330300