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3131312212010 = 25313131221201
BaseRepresentation
bin101101100100010000110…
…000001000100000101010
3102002100110112100210112202
4231210100300020200222
5402300411411241020
610354301023540202
7442141556433323
oct55442060104052
912070415323482
103131312212010
11aa7a89124144
12426a5215a662
13199387527038
14ab7b078144a
15566bc8aae75
hex2d910c0882a

3131312212010 has 8 divisors (see below), whose sum is σ = 5636361981636. Its totient is φ = 1252524884800.

The previous prime is 3131312211961. The next prime is 3131312212087. The reversal of 3131312212010 is 102122131313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3125601235969 + 5710976041 = 1767937^2 + 75571^2 .

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, 156565610591 + ... + 156565610610.

Almost surely, 23131312212010 is an apocalyptic number.

3131312212010 is a deficient number, since it is larger than the sum of its proper divisors (2505049769626).

3131312212010 is a wasteful number, since it uses less digits than its factorization.

3131312212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313131221208.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3131312212010 its reverse (102122131313), we get a palindrome (3233434343323).

The spelling of 3131312212010 in words is "three trillion, one hundred thirty-one billion, three hundred twelve million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 313131221201 626262442402 1565656106005 3131312212010