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31232431034 = 2710427213953
BaseRepresentation
bin11101000101100110…
…010001001110111010
32222121122022212220222
4131011212101032322
51002431000243114
622203055220042
72153653166150
oct350546211672
988548285828
1031232431034
1112277990782
126077817622
132c39802c2c
141723dbb3d0
15c2be1d98e
hex7459913ba

31232431034 has 16 divisors (see below), whose sum is σ = 53546695488. Its totient is φ = 13383981312.

The previous prime is 31232430979. The next prime is 31232431039. The reversal of 31232431034 is 43013423213.

It is a junction number, because it is equal to n+sod(n) for n = 31232430994 and 31232431012.

It is not an unprimeable number, because it can be changed into a prime (31232431039) 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, 39002 + ... + 252954.

It is an arithmetic number, because the mean of its divisors is an integer number (3346668468).

Almost surely, 231232431034 is an apocalyptic number.

31232431034 is a deficient number, since it is larger than the sum of its proper divisors (22314264454).

31232431034 is a wasteful number, since it uses less digits than its factorization.

31232431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224389.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31232431034 its reverse (43013423213), we get a palindrome (74245854247).

The spelling of 31232431034 in words is "thirty-one billion, two hundred thirty-two million, four hundred thirty-one thousand, thirty-four".

Divisors: 1 2 7 14 10427 20854 72989 145978 213953 427906 1497671 2995342 2230887931 4461775862 15616215517 31232431034