Search a number
-
+
1112131232031 = 3770348125459
BaseRepresentation
bin10000001011110000001…
…011111110000100011111
310221022121100010012120210
4100023300023332010133
5121210121043411111
62210523411543503
7143230435332651
oct20136013760437
93838540105523
101112131232031
1139971a0a6196
1215b6565bab93
1380b4819a291
143bb826c66d1
151dde09e50a6
hex102f02fe11f

1112131232031 has 8 divisors (see below), whose sum is σ = 1483034175360. Its totient is φ = 741324555032.

The previous prime is 1112131232011. The next prime is 1112131232057. The reversal of 1112131232031 is 1302321312111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112131232031 is a prime.

It is a super-2 number, since 2×11121312320312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112131231989 and 1112131232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112131232011) 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, 24039621 + ... + 24085838.

It is an arithmetic number, because the mean of its divisors is an integer number (185379271920).

Almost surely, 21112131232031 is an apocalyptic number.

1112131232031 is a deficient number, since it is larger than the sum of its proper divisors (370902943329).

1112131232031 is an equidigital number, since it uses as much as digits as its factorization.

1112131232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48133165.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1112131232031 its reverse (1302321312111), we get a palindrome (2414452544142).

The spelling of 1112131232031 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 3 7703 23109 48125459 144376377 370710410677 1112131232031