Search a number
-
+
31032313101132 = 223722916324146327
BaseRepresentation
bin1110000111001010001011…
…11111111011101101001100
311001212122211020220210120120
413003211011333323231030
513031413134123214012
6150000014155344540
76352003435102200
oct703450577735514
9131778736823516
1031032313101132
11998480380a102
12359232aa52150
131441447081275
14793d8711ab00
1538c34d27758c
hex1c3945ffbb4c

31032313101132 has 288 divisors, whose sum is σ = 88035311992320. Its totient is φ = 8472632555520.

The previous prime is 31032313101109. The next prime is 31032313101133. The reversal of 31032313101132 is 23110131323013.

It is not an unprimeable number, because it can be changed into a prime (31032313101133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 669830553 + ... + 669876879.

It is an arithmetic number, because the mean of its divisors is an integer number (305678166640).

Almost surely, 231032313101132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31032313101132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44017655996160).

31032313101132 is an abundant number, since it is smaller than the sum of its proper divisors (57002998891188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31032313101132 is a wasteful number, since it uses less digits than its factorization.

31032313101132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46781 (or 46772 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31032313101132 its reverse (23110131323013), we get a palindrome (54142444424145).

The spelling of 31032313101132 in words is "thirty-one trillion, thirty-two billion, three hundred thirteen million, one hundred one thousand, one hundred thirty-two".