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1031442412 = 22711134161103
BaseRepresentation
bin111101011110101…
…000111111101100
32122212211200222211
4331132220333230
54103022124122
6250203220204
734363054510
oct7536507754
92585750884
101031442412
1148a249a50
12249517664
131358c8870
149adb4140
1560842877
hex3d7a8fec

1031442412 has 192 divisors, whose sum is σ = 2547836928. Its totient is φ = 352512000.

The previous prime is 1031442403. The next prime is 1031442427. The reversal of 1031442412 is 2142441301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10013953 + ... + 10014055.

It is an arithmetic number, because the mean of its divisors is an integer number (13269984).

Almost surely, 21031442412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031442412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273918464).

1031442412 is an abundant number, since it is smaller than the sum of its proper divisors (1516394516).

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

1031442412 is a wasteful number, since it uses less digits than its factorization.

1031442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1031442412 is about 32116.0771577103. The cubic root of 1031442412 is about 1010.3728362440.

Adding to 1031442412 its reverse (2142441301), we get a palindrome (3173883713).

The spelling of 1031442412 in words is "one billion, thirty-one million, four hundred forty-two thousand, four hundred twelve".