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31030230312122 = 293716558287253
BaseRepresentation
bin1110000111000110010011…
…10110101110010010111010
311001212110110002210011011212
413003203021312232102322
513031344402424441442
6145555031354123122
76351601014510056
oct703431166562272
9131773402704155
1031030230312122
119983935066978
123591a494204a2
1314411a470b232
14793c2a670c66
1538c27a4aea82
hex1c38c9dae4ba

31030230312122 has 8 divisors (see below), whose sum is σ = 46595020332756. Its totient is φ = 15498556867872.

The previous prime is 31030230312049. The next prime is 31030230312143. The reversal of 31030230312122 is 22121303203013.

It can be written as a sum of positive squares in 2 ways, for example, as 25817871914641 + 5212358397481 = 5081129^2 + 2283059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8279141753 + ... + 8279145500.

Almost surely, 231030230312122 is an apocalyptic number.

31030230312122 is a deficient number, since it is larger than the sum of its proper divisors (15564790020634).

31030230312122 is a wasteful number, since it uses less digits than its factorization.

31030230312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558288192.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31030230312122 its reverse (22121303203013), we get a palindrome (53151533515135).

The spelling of 31030230312122 in words is "thirty-one trillion, thirty billion, two hundred thirty million, three hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 937 1874 16558287253 33116574506 15515115156061 31030230312122