Search a number
-
+
1012354131 = 31723863047
BaseRepresentation
bin111100010101110…
…100110001010011
32121112220220210110
4330111310301103
54033130313011
6244242132403
734041603525
oct7425646123
92545826713
101012354131
1147a4a1708
12243051103
13131974419
1498645a15
155dd21ba6
hex3c574c53

1012354131 has 16 divisors (see below), whose sum is σ = 1491346944. Its totient is φ = 607584384.

The previous prime is 1012354129. The next prime is 1012354159. The reversal of 1012354131 is 1314532101.

It is not a de Polignac number, because 1012354131 - 21 = 1012354129 is a prime.

It is a super-2 number, since 2×10123541312 = 2049721773105530322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012354098 and 1012354107.

It is not an unprimeable number, because it can be changed into a prime (1012314131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430351 + ... + 432696.

It is an arithmetic number, because the mean of its divisors is an integer number (93209184).

Almost surely, 21012354131 is an apocalyptic number.

1012354131 is a deficient number, since it is larger than the sum of its proper divisors (478992813).

1012354131 is a wasteful number, since it uses less digits than its factorization.

1012354131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863090.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1012354131 is about 31817.5129606322. The cubic root of 1012354131 is about 1004.1012008246.

Adding to 1012354131 its reverse (1314532101), we get a palindrome (2326886232).

The spelling of 1012354131 in words is "one billion, twelve million, three hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 3 17 23 51 69 391 1173 863047 2589141 14671799 19850081 44015397 59550243 337451377 1012354131