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311111042 = 21114141411
BaseRepresentation
bin10010100010110…
…010110110000010
3210200102002010012
4102202302312002
51114121023132
650512104522
710465254164
oct2242626602
9720362105
10311111042
1114a683370
1288235142
134c5bb298
142d466934
151c4a60b2
hex128b2d82

311111042 has 8 divisors (see below), whose sum is σ = 509090832. Its totient is φ = 141414100.

The previous prime is 311111039. The next prime is 311111057. The reversal of 311111042 is 240111113.

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, 7070684 + ... + 7070727.

It is an arithmetic number, because the mean of its divisors is an integer number (63636354).

Almost surely, 2311111042 is an apocalyptic number.

311111042 is a deficient number, since it is larger than the sum of its proper divisors (197979790).

311111042 is a wasteful number, since it uses less digits than its factorization.

311111042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141424.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 311111042 is about 17638.3401146480. The cubic root of 311111042 is about 677.5975210354.

Adding to 311111042 its reverse (240111113), we get a palindrome (551222155).

The spelling of 311111042 in words is "three hundred eleven million, one hundred eleven thousand, forty-two".

Divisors: 1 2 11 22 14141411 28282822 155555521 311111042