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1310030425 = 52111072112
BaseRepresentation
bin100111000010101…
…0111101001011001
310101022001102220101
41032011113221121
510140331433200
6333554255401
744315034454
oct11605275131
93338042811
101310030425
11612529280
12306887561
1317b53a642
14c5db249b
157a02226a
hex4e157a59

1310030425 has 36 divisors (see below), whose sum is σ = 1797193008. Its totient is φ = 939372000.

The previous prime is 1310030419. The next prime is 1310030429. The reversal of 1310030425 is 5240300131.

It is not a de Polignac number, because 1310030425 - 227 = 1175812697 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310030429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6208570 + ... + 6208780.

It is an arithmetic number, because the mean of its divisors is an integer number (49922028).

Almost surely, 21310030425 is an apocalyptic number.

It is an amenable number.

1310030425 is a deficient number, since it is larger than the sum of its proper divisors (487162583).

1310030425 is a wasteful number, since it uses less digits than its factorization.

1310030425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1310030425 is about 36194.3424446418. The cubic root of 1310030425 is about 1094.1926521768.

Adding to 1310030425 its reverse (5240300131), we get a palindrome (6550330556).

The spelling of 1310030425 in words is "one billion, three hundred ten million, thirty thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 107 211 275 535 1055 1177 2321 2675 5275 5885 11605 22577 29425 44521 58025 112885 222605 248347 489731 564425 1113025 1241735 2448655 4763747 6208675 12243275 23818735 52401217 119093675 262006085 1310030425