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31240044411 = 335172960861
BaseRepresentation
bin11101000110000011…
…010011111101111011
32222122011122200111220
4131012003103331323
51002434422410121
622203530323123
72154104665452
oct350603237573
988564580456
1031240044411
1112281210824
12607a2894a3
132c3b26a3a4
141724dddb99
15c2c9246c6
hex7460d3f7b

31240044411 has 8 divisors (see below), whose sum is σ = 41665250064. Its totient is φ = 20820767520.

The previous prime is 31240044383. The next prime is 31240044413. The reversal of 31240044411 is 11444004213.

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

It is a de Polignac number, because none of the positive numbers 2k-31240044411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31240044413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469880 + ... + 1490981.

It is an arithmetic number, because the mean of its divisors is an integer number (5208156258).

Almost surely, 231240044411 is an apocalyptic number.

31240044411 is a deficient number, since it is larger than the sum of its proper divisors (10425205653).

31240044411 is a wasteful number, since it uses less digits than its factorization.

31240044411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964381.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31240044411 its reverse (11444004213), we get a palindrome (42684048624).

The spelling of 31240044411 in words is "thirty-one billion, two hundred forty million, forty-four thousand, four hundred eleven".

Divisors: 1 3 3517 10551 2960861 8882583 10413348137 31240044411