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1030325031 = 32791449121
BaseRepresentation
bin111101011010011…
…000001100100111
32122210201221020100
4331122120030213
54102230400111
6250123235143
734350422031
oct7532301447
92583657210
101030325031
1148965649a
12249078ab3
131355c70a8
149aba2c51
15606c1756
hex3d698327

1030325031 has 12 divisors (see below), whose sum is σ = 1507086880. Its totient is φ = 678188160.

The previous prime is 1030325029. The next prime is 1030325053. The reversal of 1030325031 is 1305230301.

It is not a de Polignac number, because 1030325031 - 21 = 1030325029 is a prime.

It is a super-2 number, since 2×10303250312 = 2123139339010301922, 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 = 1030324995 and 1030325013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030325081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723850 + ... + 725271.

Almost surely, 21030325031 is an apocalyptic number.

1030325031 is a deficient number, since it is larger than the sum of its proper divisors (476761849).

1030325031 is a wasteful number, since it uses less digits than its factorization.

1030325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449206 (or 1449203 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1030325031 is about 32098.6764680415. The cubic root of 1030325031 is about 1010.0078524371.

Adding to 1030325031 its reverse (1305230301), we get a palindrome (2335555332).

The spelling of 1030325031 in words is "one billion, thirty million, three hundred twenty-five thousand, thirty-one".

Divisors: 1 3 9 79 237 711 1449121 4347363 13042089 114480559 343441677 1030325031