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31421303300 = 22522711115903
BaseRepresentation
bin11101010000110110…
…110000101000000100
310000002210201120222002
4131100312300220010
51003322323201200
622233523324432
72161435446152
oct352066605004
9100083646862
1031421303300
1112364563262
12610ab20718
132c6999227a
1417411043d2
15c3d7cabd5
hex750db0a04

31421303300 has 36 divisors (see below), whose sum is σ = 68209967616. Its totient is φ = 12563776800.

The previous prime is 31421303297. The next prime is 31421303321. The reversal of 31421303300 is 330312413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213149 + ... + 329051.

Almost surely, 231421303300 is an apocalyptic number.

It is an amenable number.

31421303300 is an abundant number, since it is smaller than the sum of its proper divisors (36788664316).

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

31421303300 is a wasteful number, since it uses less digits than its factorization.

31421303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118628 (or 118621 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31421303300 its reverse (330312413), we get a palindrome (31751615713).

The spelling of 31421303300 in words is "thirty-one billion, four hundred twenty-one million, three hundred three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2711 5422 10844 13555 27110 54220 67775 115903 135550 231806 271100 463612 579515 1159030 2318060 2897575 5795150 11590300 314213033 628426066 1256852132 1571065165 3142130330 6284260660 7855325825 15710651650 31421303300