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1031102141 = 13715149843
BaseRepresentation
bin111101011101010…
…101111010111101
32122212012102020012
4331131111322331
54102430232031
6250152033005
734360136456
oct7535257275
92585172205
101031102141
1148a037333
12249392765
13135809a14
149ad2612d
15607c6b2b
hex3d755ebd

1031102141 has 8 divisors (see below), whose sum is σ = 1045527744. Its totient is φ = 1016776800.

The previous prime is 1031102131. The next prime is 1031102161. The reversal of 1031102141 is 1412011301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031102141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031102131) 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, 4235 + ... + 45608.

It is an arithmetic number, because the mean of its divisors is an integer number (130690968).

Almost surely, 21031102141 is an apocalyptic number.

It is an amenable number.

1031102141 is a deficient number, since it is larger than the sum of its proper divisors (14425603).

1031102141 is a wasteful number, since it uses less digits than its factorization.

1031102141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50131.

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

The square root of 1031102141 is about 32110.7792026291. The cubic root of 1031102141 is about 1010.2617172955.

Adding to 1031102141 its reverse (1412011301), we get a palindrome (2443113442).

The spelling of 1031102141 in words is "one billion, thirty-one million, one hundred two thousand, one hundred forty-one".

Divisors: 1 137 151 20687 49843 6828491 7526293 1031102141