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1030132031 = 4192458549
BaseRepresentation
bin111101011001101…
…001000100111111
32122210101010111012
4331121221010333
54102203211111
6250115145435
734345656245
oct7531510477
92583333435
101030132031
11489534495
12248ba527b
1313555a2a6
149ab52795
156068448b
hex3d66913f

1030132031 has 4 divisors (see below), whose sum is σ = 1032591000. Its totient is φ = 1027673064.

The previous prime is 1030132021. The next prime is 1030132097. The reversal of 1030132031 is 1302310301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302310301 = 2356622187.

It is a cyclic number.

It is not a de Polignac number, because 1030132031 - 26 = 1030131967 is a prime.

It is a super-2 number, since 2×10301320312 = 2122344002584369922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030131997 and 1030132015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030132021) 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, 1228856 + ... + 1229693.

It is an arithmetic number, because the mean of its divisors is an integer number (258147750).

Almost surely, 21030132031 is an apocalyptic number.

1030132031 is a deficient number, since it is larger than the sum of its proper divisors (2458969).

1030132031 is an equidigital number, since it uses as much as digits as its factorization.

1030132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458968.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030132031 is about 32095.6699727549. The cubic root of 1030132031 is about 1009.9447837670.

Adding to 1030132031 its reverse (1302310301), we get a palindrome (2332442332).

The spelling of 1030132031 in words is "one billion, thirty million, one hundred thirty-two thousand, thirty-one".

Divisors: 1 419 2458549 1030132031