Search a number
-
+
32013211231 = 146292188339
BaseRepresentation
bin11101110100001000…
…101101011001011111
310001122001111122000001
4131310020231121133
51011030340224411
622412350115131
72212213543231
oct356410553137
9101561448001
1032013211231
1112638694471
1262551abaa7
1330324b6851
141799982251
15c7574adc1
hex77422d65f

32013211231 has 4 divisors (see below), whose sum is σ = 32015414200. Its totient is φ = 32011008264.

The previous prime is 32013211213. The next prime is 32013211253. The reversal of 32013211231 is 13211231023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32013211231 is a prime.

It is a super-2 number, since 2×320132112312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32013211199 and 32013211208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013211631) 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, 1079541 + ... + 1108798.

It is an arithmetic number, because the mean of its divisors is an integer number (8003853550).

Almost surely, 232013211231 is an apocalyptic number.

32013211231 is a deficient number, since it is larger than the sum of its proper divisors (2202969).

32013211231 is a wasteful number, since it uses less digits than its factorization.

32013211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202968.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32013211231 its reverse (13211231023), we get a palindrome (45224442254).

The spelling of 32013211231 in words is "thirty-two billion, thirteen million, two hundred eleven thousand, two hundred thirty-one".

Divisors: 1 14629 2188339 32013211231