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3113125403 = 13212356643
BaseRepresentation
bin1011100110001110…
…1000011000011011
322000221220011012212
42321203220120123
522333430003103
61232525025335
7140101062233
oct27143503033
98027804185
103113125403
111358307213
1272a6b524b
133a7c7234b
14217652cc3
1513348c7d8
hexb98e861b

3113125403 has 4 divisors (see below), whose sum is σ = 3115483368. Its totient is φ = 3110767440.

The previous prime is 3113125397. The next prime is 3113125409. The reversal of 3113125403 is 3045213113.

Adding to 3113125403 its reverse (3045213113), we get a palindrome (6158338516).

3113125403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3045213113 = 4001761113.

It is an interprime number because it is at equal distance from previous prime (3113125397) and next prime (3113125409).

It is a cyclic number.

It is not a de Polignac number, because 3113125403 - 26 = 3113125339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113125409) 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, 1177001 + ... + 1179642.

It is an arithmetic number, because the mean of its divisors is an integer number (778870842).

Almost surely, 23113125403 is an apocalyptic number.

3113125403 is a deficient number, since it is larger than the sum of its proper divisors (2357965).

3113125403 is a wasteful number, since it uses less digits than its factorization.

3113125403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357964.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3113125403 is about 55795.3887252343. The cubic root of 3113125403 is about 1460.1547035355.

The spelling of 3113125403 in words is "three billion, one hundred thirteen million, one hundred twenty-five thousand, four hundred three".

Divisors: 1 1321 2356643 3113125403