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1041020231 = 10110307131
BaseRepresentation
bin111110000011001…
…011010101000111
32200112212022021212
4332003023111013
54113000121411
6251144402035
734540345256
oct7603132507
92615768255
101041020231
114946a09a9
1225077631b
131378a0204
149c38879d
15615d568b
hex3e0cb547

1041020231 has 4 divisors (see below), whose sum is σ = 1051327464. Its totient is φ = 1030713000.

The previous prime is 1041020219. The next prime is 1041020243. The reversal of 1041020231 is 1320201401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320201401 = 10113071301.

It is an interprime number because it is at equal distance from previous prime (1041020219) and next prime (1041020243).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1041020231 is a prime.

It is a super-2 number, since 2×10410202312 = 2167446242702586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041020261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153465 + ... + 5153666.

It is an arithmetic number, because the mean of its divisors is an integer number (262831866).

Almost surely, 21041020231 is an apocalyptic number.

1041020231 is a deficient number, since it is larger than the sum of its proper divisors (10307233).

1041020231 is a wasteful number, since it uses less digits than its factorization.

1041020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307232.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1041020231 is about 32264.8451259261. The cubic root of 1041020231 is about 1013.4905957474.

Adding to 1041020231 its reverse (1320201401), we get a palindrome (2361221632).

The spelling of 1041020231 in words is "one billion, forty-one million, twenty thousand, two hundred thirty-one".

Divisors: 1 101 10307131 1041020231