Search a number
-
+
3131033322012 = 2231779114665811
BaseRepresentation
bin101101100100000000001…
…000010000001000011100
3102002022202002120201101120
4231210000020100020130
5402244324012301022
610354213222210540
7442131632055051
oct55440010201034
912068662521346
103131033322012
11aa7955758a42
12426994883a50
1319934180a97b
14ab785705028
15566a316bd5c
hex2d90021021c

3131033322012 has 24 divisors (see below), whose sum is σ = 7306155558912. Its totient is φ = 1043619039600.

The previous prime is 3131033322007. The next prime is 3131033322047. The reversal of 3131033322012 is 2102233301313.

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, 7119414 + ... + 7546397.

It is an arithmetic number, because the mean of its divisors is an integer number (304423148288).

Almost surely, 23131033322012 is an apocalyptic number.

It is an amenable number.

3131033322012 is an abundant number, since it is smaller than the sum of its proper divisors (4175122236900).

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

3131033322012 is a wasteful number, since it uses less digits than its factorization.

3131033322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14683609 (or 14683607 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 3131033322012 its reverse (2102233301313), we get a palindrome (5233266623325).

The spelling of 3131033322012 in words is "three trillion, one hundred thirty-one billion, thirty-three million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 17791 35582 53373 71164 106746 213492 14665811 29331622 43997433 58663244 87994866 175989732 260919443501 521838887002 782758330503 1043677774004 1565516661006 3131033322012