Search a number
-
+
3902031131 = 17415598323
BaseRepresentation
bin1110100010010100…
…0100010100011011
3101001221100201102112
43220211010110123
530442404444011
61443110022535
7165460501025
oct35045042433
911057321375
103902031131
11172265a819
1290a947a4b
134a253c57b
14290331015
1517c87258b
hexe894451b

3902031131 has 8 divisors (see below), whose sum is σ = 4232332944. Its totient is φ = 3582926080.

The previous prime is 3902031127. The next prime is 3902031143. The reversal of 3902031131 is 1311302093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3902031131 - 22 = 3902031127 is a prime.

It is a super-2 number, since 2×39020311312 = 30451693894586278322, 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 = 3902031097 and 3902031106.

It is not an unprimeable number, because it can be changed into a prime (3902031181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798465 + ... + 2799858.

It is an arithmetic number, because the mean of its divisors is an integer number (529041618).

Almost surely, 23902031131 is an apocalyptic number.

3902031131 is a deficient number, since it is larger than the sum of its proper divisors (330301813).

3902031131 is a wasteful number, since it uses less digits than its factorization.

3902031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598381.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3902031131 is about 62466.2399300614. The cubic root of 3902031131 is about 1574.3341276623.

The spelling of 3902031131 in words is "three billion, nine hundred two million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 17 41 697 5598323 95171491 229531243 3902031131