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1032013031 = 7147430433
BaseRepresentation
bin111101100000110…
…100010011100111
32122220220200201212
4331200310103213
54103143404111
6250223342035
734400652230
oct7540642347
92586820655
101032013031
1148a5a9735
1224975191b
13135a684ca
149b0c2087
156090698b
hex3d8344e7

1032013031 has 4 divisors (see below), whose sum is σ = 1179443472. Its totient is φ = 884582592.

The previous prime is 1032013007. The next prime is 1032013039. The reversal of 1032013031 is 1303102301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303102301 = 2377548213.

It is a cyclic number.

It is not a de Polignac number, because 1032013031 - 218 = 1031750887 is a prime.

It is a super-2 number, since 2×10320130312 = 2130101792307613922, 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 = 1032012997 and 1032013015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032013039) 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, 73715210 + ... + 73715223.

It is an arithmetic number, because the mean of its divisors is an integer number (294860868).

Almost surely, 21032013031 is an apocalyptic number.

1032013031 is a deficient number, since it is larger than the sum of its proper divisors (147430441).

1032013031 is an equidigital number, since it uses as much as digits as its factorization.

1032013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147430440.

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

The square root of 1032013031 is about 32124.9596264338. The cubic root of 1032013031 is about 1010.5591228284.

Adding to 1032013031 its reverse (1303102301), we get a palindrome (2335115332).

The spelling of 1032013031 in words is "one billion, thirty-two million, thirteen thousand, thirty-one".

Divisors: 1 7 147430433 1032013031