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31300004214 = 2325967439891
BaseRepresentation
bin11101001001101000…
…000010100101110110
32222210100110221220100
4131021220002211312
51003100300113324
622213511414530
72155433434413
oct351150024566
988710427810
1031300004214
1112302044486
126096384446
132c4a801c6b
14172cd6b10a
15c32d1a4c9
hex749a02976

31300004214 has 48 divisors (see below), whose sum is σ = 69995615040. Its totient is φ = 10103393520.

The previous prime is 31300004161. The next prime is 31300004221. The reversal of 31300004214 is 41240000313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148792 + ... + 291099.

It is an arithmetic number, because the mean of its divisors is an integer number (1458241980).

Almost surely, 231300004214 is an apocalyptic number.

31300004214 is an abundant number, since it is smaller than the sum of its proper divisors (38695610826).

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

31300004214 is a wasteful number, since it uses less digits than its factorization.

31300004214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440025 (or 440022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31300004214 its reverse (41240000313), we get a palindrome (72540004527).

The spelling of 31300004214 in words is "thirty-one billion, three hundred million, four thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 59 67 118 134 177 201 354 402 531 603 1062 1206 3953 7906 11859 23718 35577 71154 439891 879782 1319673 2639346 3959019 7918038 25953569 29472697 51907138 58945394 77860707 88418091 155721414 176836182 233582121 265254273 467164242 530508546 1738889123 3477778246 5216667369 10433334738 15650002107 31300004214