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31000101302 = 261283897877
BaseRepresentation
bin11100110111110000…
…000000000110110110
32222000110011022110002
4130313300000012312
51001442011220202
622124035431302
72145132341042
oct346760000666
988013138402
1031000101302
1112168826a35
126011a55532
132c00639411
1417011c1022
15c1682a302
hex737c001b6

31000101302 has 16 divisors (see below), whose sum is σ = 47429507472. Its totient is φ = 15192061920.

The previous prime is 31000101299. The next prime is 31000101323. The reversal of 31000101302 is 20310100013.

It is a super-2 number, since 2×310001013022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414413 + ... + 483464.

It is an arithmetic number, because the mean of its divisors is an integer number (2964344217).

Almost surely, 231000101302 is an apocalyptic number.

31000101302 is a deficient number, since it is larger than the sum of its proper divisors (16429406170).

31000101302 is a wasteful number, since it uses less digits than its factorization.

31000101302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898223.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31000101302 its reverse (20310100013), we get a palindrome (51310201315).

The spelling of 31000101302 in words is "thirty-one billion, one hundred one thousand, three hundred two".

Divisors: 1 2 61 122 283 566 17263 34526 897877 1795754 54770497 109540994 254099191 508198382 15500050651 31000101302