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1031021053 is a prime number
BaseRepresentation
bin111101011101000…
…010000111111101
32122212001021222221
4331131002013331
54102420133203
6250150205341
734356351166
oct7535020775
92585037887
101031021053
11489a91417
12249353851
131357abb3a
149ad0476d
15607acabd
hex3d7421fd

1031021053 has 2 divisors, whose sum is σ = 1031021054. Its totient is φ = 1031021052.

The previous prime is 1031020987. The next prime is 1031021071. The reversal of 1031021053 is 3501201301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030859449 + 161604 = 32107^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031021053 - 213 = 1031012861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031025053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515510526 + 515510527.

It is an arithmetic number, because the mean of its divisors is an integer number (515510527).

Almost surely, 21031021053 is an apocalyptic number.

It is an amenable number.

1031021053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031021053 is an equidigital number, since it uses as much as digits as its factorization.

1031021053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1031021053 is about 32109.5165488364. The cubic root of 1031021053 is about 1010.2352335792.

Adding to 1031021053 its reverse (3501201301), we get a palindrome (4532222354).

The spelling of 1031021053 in words is "one billion, thirty-one million, twenty-one thousand, fifty-three".